Willis frolics in waves with young lover

Bruce Willis has decided to follow in the steps of ex-wife Demi Moore and take a much younger lover.

He was seen cavorting in the waves, sans bathing suit, with 25-year-old actress Brooke Burns, in Costa Rica, according to imdb.com.

Burns is a former Baywatch babe and the same age as Ashton Kutcher, Demi’s main squeeze.

Willis and Burns weren’t hiding their romance as they were seen canoodling on the beach. An onlooker said, "They were kissing and cuddling and Bruce looked like the cat who got the cream."