Celeb Tracker: The 5 Best Photos of the Week

From two reality stars and old friends supporting each other on the red carpet to a gala featuring some members of Sesame Street, here's what some of your favorite stars were up to this week!

Mark Wahlberg and his family fed hungry fans at the grand opening of a new Wahlburger's Restaurant in Minnesota. Meanwhile Christina Aguilera kept it classy but sassy as she celebrates her first new album in 10 years.

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