We can only imagine what Jack Wagner was thinking in this photo!
The blonde babe, who is still smoking hot after several decades in Hollywood, frolicked on the shoreline wearing only a barely-there polka-dot bikini.
Locklear, whose ex-husband’s include rockers Tommy Lee and Richie Sambora, announced her engagement to her former Melrose Place costar in August 2011, who she has been dating since 2007.
Happy bikini birthday, Heather! There are millions of girls in their twenties who would kill for your 50-year-old bod.