Gwyneth Paltrow sings in 'Country Strong'

TRAILER: Also shows her feuding with Leighton Meester

The trailer for Gwyneth Paltrow's "Country Strong" hit the web late Thursday night.

The clip shows Paltrow, who plays a struggling singer attempting to make a comeback after a stint in rehab, singing and getting catty with Leighton Meester, who plays her young protege, Chiles Stanton.

The movie, which also stars Tim McGraw, hits theaters in limited release Dec. 22 and nationwide on Jan. 7.