Perrie Edwards And Zayn Malik's Wedding To Boast Little Mix As Bridesmaids, One Direction As Ushers

One Direction: This Is Us World Premiere - London

Harry Styles, Niall Horan, Louis Tomlinson, Zayn Malik and Liam Payne of One Direction arriving for the World Premiere of One Direction: This Is Us, at the Empire Leicester Square, London.

One Direction: This Is Us World Premiere - London

Simon Cowell arriving for the World Premiere of One Direction: This Is Us, at the Empire Leicester Square, London.

One Direction: This Is Us World Premiere - London

(L-R) Louis Tomlinson, Zayn Malik, Niall Horan, Harry Styles and Liam Payne arriving for the World Premiere of One Direction: This Is Us, at the Empire Leicester Square, London.

One Direction: This Is Us World Premiere - London

Louis Tomlinson arriving for the World Premiere of One Direction: This Is Us, at the Empire Leicester Square, London.

One Direction: This Is Us World Premiere - London

Harry Styles arriving for the World Premiere of One Direction: This Is Us, at the Empire Leicester Square, London.

One Direction: This Is Us World Premiere - London

Harry Styles of One Direction arriving for the World Premiere of One Direction: This Is Us, at the Empire Leicester Square, London.

One Direction: This Is Us World Premiere - London

Harry Styles, Niall Horan, Louis Tomlinson, Zayn Malik and Liam Payne of One Direction arriving for the World Premiere of One Direction: This Is Us, at the Empire Leicester Square, London.

One Direction: This Is Us World Premiere - London

Zayn Malik arriving for the World Premiere of One Direction: This Is Us, at the Empire Leicester Square, London.

One Direction: This Is Us World Premiere - London

Zayn Malik arriving for the World Premiere of One Direction: This Is Us, at the Empire Leicester Square, London.

One Direction: This Is Us World Premiere - London

Fans gather ahead of the World Premiere of One Direction: This Is Us, at the Empire Leicester Square, London.

One Direction: This Is Us World Premiere - London

Fans gather ahead of the World Premiere of One Direction: This Is Us, at the Empire Leicester Square, London.

One Direction: This Is Us World Premiere - London

Fans arriving for the World Premiere of One Direction: This Is Us, at the Empire Leicester Square, London.

One Direction: This Is Us World Premiere - London

Harry Styles, Niall Horan, Louis Tomlinson, Zayn Malik and Liam Payne of One Direction arriving for the World Premiere of One Direction: This Is Us, at the Empire Leicester Square, London.

One Direction: This Is Us World Premiere - London

Harry Styles, Niall Horan, Louis Tomlinson, Zayn Malik and Liam Payne of One Direction arriving for the World Premiere of One Direction: This Is Us, at the Empire Leicester Square, London.

One Direction: This Is Us World Premiere - London

Harry Styles arriving for the World Premiere of One Direction: This Is Us, at the Empire Leicester Square, London.

One Direction: This Is Us World Premiere - London

(L-R) Louis Tomlinson, Zayn Malik, Niall Horan, Harry Styles and Liam Payne arriving for the World Premiere of One Direction: This Is Us, at the Empire Leicester Square, London.

One Direction: This Is Us World Premiere - London

Harry Styles arriving for the World Premiere of One Direction: This Is Us, at the Empire Leicester Square, London.

One Direction: This Is Us World Premiere - London

(L-R) Louis Tomlinson, Zayn Malik, Niall Horan, Harry Styles and Liam Payne arriving for the World Premiere of One Direction: This Is Us, at the Empire Leicester Square, London.

One Direction: This Is Us World Premiere - London

(L-R) Louis Tomlinson, Zayn Malik, Niall Horan, Harry Styles and Liam Payne arriving for the World Premiere of One Direction: This Is Us, at the Empire Leicester Square, London.

One Direction: This Is Us World Premiere - London

A general view of One Direction arriving for the World Premiere of One Direction: This Is Us, at the Empire Leicester Square, London.

One Direction: This Is Us World Premiere - London

(L-R) Louis Tomlinson, Zayn Malik, Niall Horan, Harry Styles and Liam Payne arriving for the World Premiere of One Direction: This Is Us, at the Empire Leicester Square, London.

One Direction: This Is Us World Premiere - London

Zayn Malik arriving for the World Premiere of One Direction: This Is Us, at the Empire Leicester Square, London.

One Direction: This Is Us World Premiere - London

Zayn Malik arriving for the World Premiere of One Direction: This Is Us, at the Empire Leicester Square, London.

One Direction: This Is Us World Premiere - London

Morgan Spurlock arriving for the World Premiere of One Direction: This Is Us, at the Empire Leicester Square, London.

One Direction: This Is Us World Premiere - London

Morgan Spurlock arriving for the World Premiere of One Direction: This Is Us, at the Empire Leicester Square, London.

One Direction: This Is Us World Premiere - London

A crying fan arriving for the World Premiere of One Direction: This Is Us, at the Empire Leicester Square, London.

One Direction: This Is Us World Premiere - London

A fan in a wedding dress arriving for the World Premiere of One Direction: This Is Us, at the Empire Leicester Square, London.

One Direction: This Is Us World Premiere - London

Morgan Spurlock arriving for the World Premiere of One Direction: This Is Us, at the Empire Leicester Square, London.

One Direction: This Is Us World Premiere - London

David Seaman and Frankie Poultney arriving for the World Premiere of One Direction: This Is Us, at the Empire Leicester Square, London.

One Direction: This Is Us World Premiere - London

David Seaman and Frankie Poultney arriving for the World Premiere of One Direction: This Is Us, at the Empire Leicester Square, London.

One Direction: This Is Us World Premiere - London

Tony Adams arriving for the World Premiere of One Direction: This Is Us, at the Empire Leicester Square, London.

One Direction: This Is Us World Premiere - London

David Seaman (L) Frankie Poultney (2nd l) and family arriving for the World Premiere of One Direction: This Is Us, at the Empire Leicester Square, London.

One Direction: This Is Us World Premiere - London

Simon Cowell arriving for the World Premiere of One Direction: This Is Us, at the Empire Leicester Square, London.

One Direction: This Is Us World Premiere - London

Simon Cowell arriving for the World Premiere of One Direction: This Is Us, at the Empire Leicester Square, London.

One Direction: This Is Us World Premiere - London

David Seaman and Frankie Poultney arriving for the World Premiere of One Direction: This Is Us, at the Empire Leicester Square, London.

One Direction: This Is Us World Premiere - London

A fan in a wedding dress arriving for the World Premiere of One Direction: This Is Us, at the Empire Leicester Square, London.

One Direction: This Is Us World Premiere - London

Simon Cowell arriving for the World Premiere of One Direction: This Is Us, at the Empire Leicester Square, London.

One Direction: This Is Us World Premiere - London

David Seaman and Frankie Poultney arriving for the World Premiere of One Direction: This Is Us, at the Empire Leicester Square, London.

One Direction: This Is Us World Premiere - London

Morgan Spurlock arriving for the World Premiere of One Direction: This Is Us, at the Empire Leicester Square, London.

One Direction: This Is Us World Premiere - London

Morgan Spurlock arriving for the World Premiere of One Direction: This Is Us, at the Empire Leicester Square, London.

Harry Styles

Harry Styles arrives at the UK Premiere of 'One Direction: This Is Us 3D' - VIP Arrivals, on Tuesday August 20, 2013, in London. (Photo by Jon Furniss/Invision/AP Images)

Harry Styles, Niall Horan, Louis Tomlinson, Zayn Malik, Liam Payne

Harry Styles, Niall Horan, Louis Tomlinson, Zayn Malik and Liam Payne arrive at the UK Premiere of 'One Direction: This Is Us 3D' - VIP Arrivals, on Tuesday August 20, 2013, in London. (Photo by Jon Furniss/Invision/AP Images)

Harry Styles

Harry Styles arrives at the UK Premiere of 'One Direction: This Is Us 3D' - VIP Arrivals, on Tuesday August 20, 2013, in London. (Photo by Jon Furniss/Invision/AP Images)