Who'd You Rather?

Simon Cowell's ex-girlfriend Terri Seymour and his fellow "X-Factor" judge Paula Abdul both worked their smiles at the same event in Beverly Hills on Thursday.

Exotic brunette beauties Rosario Dawson and Vanessa Hudgens both shined at the same event in Cannes on Thursday.

Here's fired "Two and a Half Men" star Charlie Sheen and newly hired "Two and a Half Men" star Ashton Kutcher.

Lindsay Lohan's wonderful father is Michael Lohan and The Situation's lovely pops is Frank Sorrentino.

Here's exiting "CBS Evening News" host Katie Couric -- and exiting "Today" co-host Meredith Vieira.

Food Network star Giada De Laurentiis, 40, and "Dancing with the Stars" host Brooke Burke, 39, were all smiles at the same event in L.A. on Thursday.

Beauty queen roommates Miss USA Rima Fakih, 25, Miss Teen USA Kamie Crawford, 18, and Miss Universe Ximena Navarette, 23, all sashayed at the same event in NYC on Thursday.

Former singers and Disney stars Amanda Joy "AJ" Michalka, 20, (left) and her "Hellcats" sister Alyson "Aly" Michalka, 22, (right) both posed at the same event in L.A. on Wednesday.

Tennis greats Pete Sampras, 39, Jim Courier, 40, and Andre Agassi, 41, caused a racquet at an event in L.A. on Tuesday.

Television actress Michelle Trachtenberg, 25, and movie star Mila Kunis, 27, both slicked their hair back at the same event in D.C. this weekend.

Keith Urban and John Mayer both performed at a Tiger Woods charity event, Tiger Jam 2011, at the Mandalay Bay Events Center in Las Vegas last night.

Bald musclemen Dwayne "The Rock" Johnson, 38,and Vin Diesel, 43, both star in "Fast Five."

Here's Subway's biggest loser Jared Fogle -- and former Verizon Guy Paul Marcarelli.

Soon-to-be touring partners Nicki Minaj and Britney Spears hung out together at a club in West Hollywood last night.

Here's Prince William's bride-to-be Kate Middleton (left) and her younger sister Pippa Middleton (right).

Former "Hills" actress Audrina Patridge and singer Christina Milian both got close at the same event in L.A. this week.