Jennifer Lopez - Grammys 2010

Jennifer Lopez and Marc Anthony pose together backstage during the 2010 Grammy Awards held at the Staples Center on Sunday (January 31) in Los Angeles.

The 40-year-old singer, who was a presenter at the Grammys, chose a Versace silver chain mail mini dress with a long white silk chiffon overlay with chain mail inserts, belted at the waist.

Jenn will guest star on an episode of How I Met Your Mother, which will air in March of this year.

10+ pictures inside of Jennifer Lopez at the Grammys…