During the sweat session, Paltrow donned a black sports bra and matching leggings. Apple, 16, opted for a similar look with a gray sports bra and purple leggings.

She slipped into a sports bra and matching leggings in a tone of grey that had her flying under the radar, while still making a chic statement in her head-to-toe activewear set.

Khloé Kardashian is upping her fitness game. The Kardashiansstar, 41, flaunted her toned physique in the middle of a gym ...

Sporting a grey two-piece coordinating set, Dua's gym wear consists of monogrammed high-waisted leggings with a thick waistband, worn with a matching cross-neck halter style sports bra with GCDS ...

The leggings were high-waisted, with sheer accents at the thighs adding a bit of visual interest. For footwear, Graham went with white sneakers with a lace-up front and a gray outsole.

She paired a white sports bra with adorable gray and yellow leggings and white shoes. The entire look was a perfect match for her white cell phone case that read: “I don’t work here.” ...