Who'd You Rather?

Jerry O'Connell (left) and Julian McMahon (right) both showed up to the Breeder's Cup in Santa Anita, Calif. this weekend.

Kate Beckinsale, 36, and Drew Barrymore, 34, had a laugh at the same event in L.A. this week.

Young Hollywood hunks Jesse Metcalfe, 30, and Brody Jenner, 26, bro'd out at the same event in Berlin on Thursday.

Billy Gibbons, 59, of ZZ Top and Slash, 44, got into a scruff at the same event in London this week.

Rock survivors Iggy Pop, 62, and Rolling Stones member Ronnie Wood, also 62, faced off at the same event in London this week.

Acclaimed directors Woody Allen, 73, and Martin Scorsese, 66, kibitzed at the same event in NYC on Tuesday.

Appropriately dressed for absolutely nothing, Lady GaGa, 23, and fashion designer Betsey Johnson, 67, vogued for the cameras at the same event in NYC last night.

Fashion critic Steven Cojocaru dressed as Khloe Kardashian for Heidi Klum's Halloween party on Saturday (left) -- and Khloe Kardashian at some event last month (right).

Music legends David Crosby, 68, and Art Garfunkel, 67,rocked out at the same event in NYC on Thursday.

The real Antonio Banderas, 49, in London a little while back (left) -- and his wax figure in Madrid on Friday (right).

Female singer Patti Smith, 62, and fashion designer Marc Jacobs, 46, crossed paths at the same event in NYC last night.

Even 79-year-old Oscar winning actor/director Clint Eastwood's jaw drops at the sight of supermodel Alessandra Ambrosio.

Courteney Cox, 45, and Fergie, 34, were bosom buddies at the same event in NYC last night.

Nicole Richie's baby daddy Joel Madden (left) and Paris Hilton's ex Benji Madden (right) bro'd out at the same event in Australia on Tuesday.

British popwrecks Amy Winehouse and Lily Allen faced off at the same award show in London on Monday.

It's hard telling apart Lorenzo Lamas' "Leave it to Lamas" spoiled, bottle blonde, celebuspawn daughter Shayne Lamas (left) -- and Oscar de la Hoya's "Daisy of Love" spoiled, bottle blonde, celebuspawn niece Daisy De La Hoya (right).