Little Mix’s Jesy Nelson has been showing off incredible abs – but is this the secret behind them?

Jesy Nelson got fans talking with this shot of her washboard abs [Jesy Nelson/ Instagram] The Shout Out To My Ex singer did a duet with Nathan Sykes and showed off incredible abs while doing so. Speaking exclusively to OK! Online recently at the launch of USA Pro by Small Mix, Jesy revealed that she had turned to implementation following her split form fiancé Jake Roche. And while many have praised Jesy’s weight loss and washboard stomach, others have taken to their keyboards to …