‘You Want A Hot Body’: Britney Spears Works Out With Boyfriend David Lucado Britney Spears clearly means the lyrics in her hit song ‘Work B****’ as she is spotted leaving the gym after a punishing dance class work out with her boyfriend David Lucado in Santa Monica.Pop’s princess Britney is clearly serious about getting into shape as she hits the gym with her boyfriend of one year.The 32-year-old is probably working on her fitness due to the physically demanding routines in her Las Vegas show, Britney: Piece of Me at the Planet Hollywood Resort &Casino.Britney made sure she and her beau were fully hydrated for the dance class as she was seen carrying two bottles of water as she exitted the building.Unlike other celebs who manage to look perfect whilst working, Britney looked just like us in her baggy black sweatpants and worn out looking grey t-shirt. Ms Spears still brought some glamour to the occasion with bright pink trainers and some visible eye make-up.Perhaps she was trying out some new stage choreography?Britney had support during the gym sesh, in the shape of her boyfriend Lucado. The loved up pair left the buidling together before driving off in Brit’s swanky convertable.A source revealed to E! News: “They are totally in love and they make a good pair,” adding, “He’s from a small town and she is very sheltered. It’s a good mix.”And it looks as though David is even happy to move his work to Las Vegas whilst Brit’s two-year residency is under way. “He is extremely happy and doing very well,” the source added. “He is still doing his business but now in Las Vegas.”David is so supportive of his girlfriend, he even took the time to chat to her fans whilst attending a dress rehearsal. Whilst taking photos with the crowd Lucado told fans that the Piece of Me singer had worked “very very hard on the show” and that he was “very very proud” of his beautiful lady.How cute!