TV: WAITRESS Star Jessie Mueller Belts Out 'She Used to Be Mine'- Watch the Full Song!

What happens when Tony winner Jessie Mueller belts out one of Sara Bareilles' most poignant pieces? Pure magic. Below, watch as Mueller performs "She Used to Be Mine" in rehearsal for WAITRESS.

Also watch: "Bad Idea", performed by Jessie Mueller and Drew Gehling.
Also watch: "Soft Place to Land", performed by Jessie Mueller, Kealla Settle and Kimiko Glenn.

Jenna (Jessie Mueller) is a Waitress and expert pie maker stuck in a small town and a loveless marriage. Faced with an unexpected pregnancy, Jenna fears she may have to abandon the dream of opening her own pie shop forever... until a baking CONTEST in a nearby county and the town's handsome new doctor offer her a tempting recipe for happiness. Supported by her quirky crew of fellow Waitresses and loyal customers, Jenna summons the secret ingredient she's been missing all along - courage.