J.Lo -- Muy Grande!

12/3/2007 2:23 PM PST
Despite sagging record sales and box office flops, Jennifer Lopez is still a huge star!

The 38-year-old mamacita-to-be, with mousy hubby Marc Anthony at her side, showed off her beautiful, bulging belly at the Movie Rocks concert in L.A. on Sunday. Doing it well!

After months of silence, Jennifer finally admitted she was expecting -- during a Miami concert last month.