Who'd You Rather?

"The City" gal Whitney Port and "Jersey Shore" girl Sammi "Sweetheart" both hung out in Las Vegas this weekend.

Looking like mother and daughter, "Real Housewives of New York City" star Kelly Killoren Bensimon and "Dancing with the Stars" contestant Audrina Patridge made nice at the same event in NYC on Thursday.

As part of the movie "The Social Network," twin brothers Tyler and Cameron Winklevoss claim their Harvard classmate Mark Zuckerberg stole their idea and created what is now this little website called Facebook.

"High School Musical" vixen Vanessa Hudgens, 21, and "Hairspray" blonde Brittany Snow, 24, got close at the same event in L.A. on Wednesday.

"Gossip Girl" Blake Lively and former "Grey's Anatomy" star Katherine Heigl both roamed the streets of NYC on Tuesday.

"Glee" boys Harry Shum Jr. and Mark Salling hung out with Audrina Patridge's ex-boyfriend Ryan Cabrera at the Guitar Hero: Warriors of Rock launch party in Hollywood on Monday.

Black Eyed Peas matriarch Fergie, new "American Idol" judge Jennifer Lopez and reality TV diva Kim Kardashian battled it out for face time at the same event in Miami this weekend.

Lindsay Lohan was in and out of jail yesterday, which gave us a fourth mug shot to add to our collection.

"You Again" beauties Jamie Lee Curtis, 51, and Sigourney Weaver, 60, showed up wearing the same dress to the same event in L.A. on Wednesday.

Maria Menounos, 32, Minka Kelly, 30, both showed up to the same event in L.A. yesterday.

Ravishing beauties Sofia Vergara, 38, Halle Berry, 44, and Julianna Margulies, 44, came together at the same Swarovski event in NYC on Monday.

Pop stars Rihanna and Katy Perry posed with the cast of "KA" in Vegas this weekend.

"Coyote Ugly" star Maria Bello, 43, and "Grey's Anatomy" star Kim Raver, 41, stunned the crowd at the same event in L.A. on Thursday.

Hip-hop kingpins Jay-Z and Kanye West kept it real formal at the same event in NYC on Wednesday.

It was a trifecta of hot Ryans as Ryan Phillippe, Gosling and Reynolds all got shady at they arrived to different airports this week.

Former "Cheetah Girl"/Rob Kardashian's ex-girlfriend Adrienne Bailon, 26, and Kourtney Kardashian, 31, made nice at the same event in NYC on Saturday.