Katie Who? Jamie Foxx Declares He's 'Single' Amid Engagement Plans

Did Jamie Foxx and Katie Holmes split after years of attempting to hide their romance? RadarOnline.com can report that the funny man took the stage at an Oscars gala Sunday night and declared that he was single!

An eyewitness exclusively told RadarOnline.com that Foxx, 51, was performing at the third annual Entertainment Studios Oscar Gala Supporting Children's Hospital in Los Angeles on Feb. 24 when he blurted out, "I'm single" to the crowd.

"Jamie was on stage performing when a group of women got up from their tables and joined him on stage," the onlooker said.

PHOTOS: Jamie Foxx Parties With Bikini Babes As Katie Holmes Is Spotted Alone In Paris

The outspoken host performed he and Kanye West's hit "Gold Digger" followed by his "Blame It (On The Alcohol)" before he snubbed Holmes, 40.

The eyewitness said Foxx revealed his alleged single status "while he was referring to married and single couples."

"It was nonchalant," the spy added.

To make matters worse, the source claimed that Foxx was spotted getting "chummy" with his All-Star Weekend co-star Natasha Blasick.

In December, sources told RadarOnline.com that Holmes and Foxx planned to "clear the air" with Holmes' ex, Tom Cruise, before spilling news of their impending engagement.

Rumors that Holmes has been dating Cruise's ex best friend Foxx have been swirling since 2013.

In December, the lovebirds were spotted enjoying a luxurious yacht getaway in Miami.

RadarOnline.com reported that the couple planned to tie the knot in Paris after keeping their romance under wraps for so long.

Do you believe that Foxx is actually single? Sound off in the comments.

We pay for juicy info! Do you have a story for RadarOnline.com? Email us at tips@radaronline.com, or call us at (866) ON-RADAR (667-2327) any time, day or night.