Article continues below advertisementDua Lipa is hard at work at the gym.In a new photo, the "Levitating" singer, 30, showed off her toned tummy while holding a plank on a pilates reformer.Lipa donned a black sports bra and matching leggings in her steamy selfie, shared to Instagram on Monday, April 20. The tattoos along her arm were on full display, including one ink that reads, "This means nothing."Article continues below advertisementTap Here To Add Ok Magazine as A Trusted SourceSource: @dualipa/InstagramDua Lipa stopped for a racy selfie at the gym.