Article continues below advertisementBella Thorne left little to the imagination in a revealing new Instagram post.The Disney alum, 28, exposed her underboob in a blue sports bra, paired with a tiny green thong, as she snapped a mirror selfie on Thursday, April 9.Thorne's toned abs were on full display as she popped a hip and posed, holding her phone in one hand and a coffee mug in the other.Article continues below advertisementTap Here To Add Ok Magazine as A Trusted SourceSource: @bellathorne/InstagramBella Thorne posed in her intimates.