Celeb Tracker: The 5 Best Photos of the Week

From the premiere of JLo's latest movie to court side at the Lakers game, here's what some of your favorite stars were up to this week!

It was all about famous friends catching up, as Chris Pratt showed support for pal John Krasinski's film, Jessica Alba and girlfriend Gabrielle Union took in a little basketball action, and Jennifer Lopez arrived on the red carpet with best friend Leah Remini.

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