Lovato stages a concert in Mexico City, Mexico. Plus: Sarah Michelle & Charlotte, Drew Barrymore, Maggie Gyllenhaal and more
Credit: Jason Merritt/Getty
Published: Thursday May 03, 2012 | 05:00 PM EDT
More from PEOPLE
See More News
9 of 16
Now that's star power! Scarlett Johansson smiles for the cameras Wednesday at the unveiling of her star on the Hollywood Walk of Fame.
Copyright © 2014 Time Inc. All rights reserved. Reproduction in whole or in part without permission is prohibited.