In a poll of 2,000 women by Swimwear365 to mark Britain's National Bikini Day on July 5, actress Raquel Welch has gained the top spot of the '50 hottest bikini babes'. She won the spot for her bikini scene in the 1996 film 'One Million Years BC'. Ursula Andress and Marilyn Monroe rounded off the top 3, in that order.