Michelle Rounds (left) and Rosie O'Donnell
09/20/2011 AT 11:00 AM EDT
09/20/2011 AT 09:30 AM EDT
has a new girlfriend – and they met at Starbucks!
O'Donnell, who returns to TV Oct. 10 with a new talk program
, The Rosie Show
, on Oprah Winfrey
's OWN network, introduced her new girlfriend Michelle Rounds Monday night at O'Donnell's annual Rosie Theater Kids Gala in New York City.
"They met at a Starbucks a few months ago," a source tells PEOPLE. "They are adorable together and are very, very happy."
An upbeat O'Donnell
, 49, joked onstage at the gala that she had just bought a new red bra "with the underpants that match and everything."
Rounds is a corporate head hunter for an IT company in N.Y.C. O'Donnell has four children with former partner
Kelli Carpenter, whom she married in 2004. They separated three years later.