This 51-year-old singer showed off her impressive physique on vacation -- and her workout routine!
She was known for being "sporty" back in the day ... and now, at the age of 51, she's clearly still hitting the gym.
Can you guess which '90s singer took to Instagram recently to show off her incredible physique, during a trip to Ibiza with her boyfriend?
Find out her identity in the gallery above -- plus, see more celebrity beach bods. And click here to see more about her man, workouts and what she's up to now!