Brad Pitt and Jennifer Lopez have topped a poll by Oxygen magazine for the best backsides in Hollywood.

Though "Troy" star Brad Pitt - with a net 34.4 percent votes - emerged a clear winner among men, "Shall We Dance" actress J Lo faced a tighter race, with 19.58 percent votes.

Pitt beat Dwayne "The Rock" Johnson, who came second with 10.55 percent votes. Vin Diesel took third place (6.42 percent).

Among the women, "The Pink Panther" Beyonce Knowles took the second spot (16.67 percent) and "Tomb Raider" Angelina Jolie came third (8.57 percent).