The Colombian pop star showed how she sculpts a killer core

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Shakira’s got the whole package—a Colombian singing voice to die for and a physique to match her sensual lyrics—which is why she’s splitting her time between vocal and strength coaches in preparation for her El Dorado world tour.

A recent Instagram post from the acclaimed entertainer shows elite trainer Anna Kaiser putting Shakira through the oblique workout of death: The singer-songwriter targets her side abs by keeping her back flatter than she would for a normal side crunch and, with her hips twisted to one side, she pulsates up and down with her belly button tucked in and a finger on her abdominals to ensure she’s activating them to the fullest.