Kaley Cuoco's younger sister Briana made headlines this week for auditioning on "The Voice." All we could concentrate on, frankly, is how beautiful the "Big Bang Theory" star's sibling is.


But the stunning Cuoco sisters are hardly alone. The following celebrity siblings share their famous brothers and sisters' magnificently good genes, if not the constant spotlight.


Take a look:



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  • Briana and Kaley Cuoco.




  • Lady Gaga and Natali Germanotta.




  • Sandra Vergara, Sofia's sister.




  • Audrina and Casey Patridge.




  • Kate and Rooney Mara.




  • Jennifer Lawrence with brothers Ben and Blaine.




  • Zooey and Emily Deschanel.




  • Lauren and Breanna Conrad.




  • Haylie and Hilary Duff.




  • James and Dave Franco.




  • Beyonce and Solange Knowles.




  • Ashlee and Jessica Simpson.




  • Dannii and Kylie Minogue.




  • Chris and Scott Evans.




  • Kendall Jenner, Khloe Kardashian, Kourtney Kardashian and Kylie Jenner.




  • Sienna and Savannah Miller.




  • Rafaela, Gisele and Patricia Bundchen.




  • Julianne and Derek Hough.




  • Kate and Oliver Hudson.




  • Annalynne and Angel McCord.




  • Emma and Alex Watson.




  • Poppy and Cara Delevingne.




  • Justin and Sebastian Theroux.




  • Vanessa and Stella Hudgens.




  • Whitney and Jade Port.




  • Chris and Liam Hemsworth.




  • Elizabeth Olsen is the younger sister of Mary-Kate and Ashley Olsen.




  • Scarlett Johansson and twin brother, Hunter.




  • Paris and Nicky Hilton.




  • Taylor and Austin Swift.




  • Victoria Beckham's sister, Louise Adams.




  • Dakota and Elle Fanning.




  • Andrew, Owen and Luke Wilson.




  • Nikki and Nathan Reed.




  • Rihanna's brother, Rorrey Fenty.




  • Miley and Brandi Cyrus.




  • Ryan and Mandi Gosling.




  • Zac Efron's little brother, Dylan.




  • Adam and Michael Levine.




  • Blake Lively's older brother, Eric.




  • Penelope Cruz's Sister, Monica.




  • Erin and Kendra Andrews.




  • Jake and Maggie Gyllenhaal.




  • Brad Pitt's older brother, Doug.




  • Robert Pattinson's older sisters, Lizzy and Victoria.




  • Josh and Connor Hutcherson.




  • Chord Overstreet's older brother, Nash.




  • Amy, Jenny and Joanne McCarthy.




  • Michelle Pfeiffer's younger sister, Dedee.




  • Ben and Casey Affleck.