Instagram diary: Cheryl Cole

Cheryl Cole got fans speculating about her possible weight loss recently after posting a picture of herself on Instagram cutting a very slender figure.

"How many stretches, lunges, and squats do you think I did today to get into these trousers #unexpectedyogaclass," she wrote alongside the snap.

Cheryl often updates her followers on Instagram, sharing glamorous images of herself and her fellow Girls Aloud bandmates. Click on the photo for Cheryl's best Instagram pics…