Who'd You Rather?

"High School Musical" stud Zac Efron and "Glee" coach Matthew Morrison both sang each other's praises at the same event in L.A. on Tuesday.

Jurassic rock icon Alice Cooper, 62, and "Expendables" star Sylvester Stallone, 64, giggled together at the same event in London on Monday.

Ravishing beauty Lisa Rinna, 47, and new "Dancing with the Stars" co-host Brooke Burke, 38, got gussied up for the same event in Beverly Hills this weekend.

The latest batch of Bravo's wannabe celebrities Lynda Erkiletian (bottom left), Catherine Ommanney (top right), Stacie Scott Turner (bottom right) and Mary Schmidt Amons (top left) aka "The Real Housewives of Washington D.C." started their 15 minutes of fame last night.

"Sin City" stars Carla Gugino, 38, and Rosario Dawson, 31, reunited their faces at the same event in Hollywood on Thursday.

"Modern Family" mom Julie Bowen, 40, and her TV daughter Sarah Hyland, 19, both showed up to the same event in L.A. on Tuesday.

Action stars of yore, Bruce Willis, 55, Arnold Schwarzenegger, 63, and Sylvester Stallone, 64, huddled together and flexed their face muscles on the red carpet at the premiere of their new action flick "The Expendables" last night.

Celebusister Khloe Kardashian and TV talk show diva Wendy Williams both weaved into the same event in NYC on Monday.

"Baywatch" babes of yore, Nicole Eggert, 38, Traci Bingham, 42, and Gena Lee Nolin, 38, all washed up at the David Hasselhoff roast in L.A. on Sunday.

"Law & Order: Los Angeles" "CSI: Los Angeles" "NCIS: Los Angeles" stars LL Cool J and Chris O'Donnell showed up to the same event in Beverly Hills the other day.

"Varsity Blues" stars Amy Smart and a pregnant Ali Larter both showed up to the same event at the Arcade Boutique in Hollywood on Thursday.

Ewan McGregor and Chace Crawford both showed up to the same event in NYC on Wednesday.

"Gossip Girl" sometime star Michelle Trachtenberg, 24, and Demi Moore's daughter Rumer Willis, 21, both showed up to the same event in NYC on Tuesday.

Angelina Jolie flashed her leg in a high-cut black gown at the Japanese premiere of her new film "Salt" on Tuesday, while Jennifer Aniston did the same thing earlier this year.

"The Expendables" and "Rocky IV" stars Sylvester Stallone, 64, and Dolph Lundgren, 52, both showed up to the same event at Comic-Con on Thursday.

Former "Ugly Betty" stars Vanessa Williams and America Ferrera reunited at the same event in West Hollywood.