Carrie Underwood Soaks Up the Sun in a Postbaby Bikini Selfie

Carrie Underwood gave her fans a sneak peek at her postbaby bikini body when she posted a Summer-infused vacation selfie to Instagram on Tuesday. Carrie, who gave birth to son Isaiah in late February, captioned the photo, "Vacation selfie. #IKnowImLame." While it's not clear where the singer is relaxing ahead of her first Mother's Day, she looks happy and healthy while lounging on what appears to be a white and yellow beach towel. She then posted a cute photo of herself on a balcony, with the caption, "Palm bliss . . ." And it's no surprise that Carrie, who wed professional hockey player Mike Fisher in 2010, is already back in a bathing suit. The fit singer recently launched her own athletic wear line, Calia by Carrie Underwood.