VIDEO : Jennifer Aniston 'Burst Into Tears' After Singing For Dolly Parton

Jennifer Aniston got emotional after singing for Dolly Parton on the "Dumplin'" soundtrack.
Aniston said she cried after stepping into the studio to record "Push and Pull," a song written by Parton and Linda Perry.
"[I was so nervous] but I sang through it and then got my voice.
I literally couldn't have a squeak come out, and then when we finished, I remembered, I just burst into tears."
According to Business Insider, in ?Dumplin,? Aniston plays a former beauty queen who runs a pageant.