Demi Moore hosted an event last night New York City -- looking stunning amid reports she has a "broken heart" over Ashton Kutcher's new relationship.

The 49-year-old actress looked amazing in a black and nude-colored dress with gem embellishments on Wednesday night as she hosted the GEMS Girls Like Us Benefit Gala at El Museo Del Barrio.

Moore bypassed the red carpet at the event though, posing only inside.

Could she be avoiding headlines like "Demi's BROKEN HEART," which currently covers the new issue of PEOPLE magazine?

Sources close to Demi tell the mag that she is "jealous and frustrated" about her ex's new relationship with Mila Kunis ... and she's "not in a good frame of mind."

Another "friend" adds that she "looks beautiful and is feeling good after a really, really tough year."

While we can't speak for her state of mind, we can't argue about the looking beautiful part.

Check out more pics of Demi out last night in the gallery above.

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