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Round 1: Dita Von Teese
It doesn't matter whether you're in black or white; you still don't want anyone else to show up in the same Roland Mouret dress! But it's a fate that J. Lo has had to endure twice, once with Heidi Klum, and again with Miss Von Teese.
Round 2: Paula Abdul
Both of these brunette beauties, Lopez on the left and Abdul on the right, glowed in their feathery white Marchesa gowns.
Round 3: Victoria Beckham
Vroom! Vroom! Mrs. David Beckham and Marc Anthony's esposa rock leather biker caps with mad attitude.
Round 4: Matthew McConaughey
Jennifer and Matt McC both braved the waves at the celebrity studded Malibu Triathlon in their body-hugging black wetsuits.
Round 5: Sarah Connor
The one-shouldered leopard dress lives on in the night lives of both the Terminator TV starlet and Jennifer Lopez.
Round 6: Natasha Bedingfield
Battle of the pop divas: both women showed up to special events in long-sleeve lace mini-dresses that emphasize their toned up gams.
Round 7: Ellen DeGeneres
Looks like the daytime talk queen was getting ready to have a "Rebirth" of her own by dressing up as an uber-pregnant La Lopez for Halloween.
Round 8: Cameron Diaz
J. Lo vamped up the sexiness factor of this white pleated Fendi dress for the launch of Deseo, while Cam went for flirty innocence at the Japanese premiere of What Happens in Vegas.