The TV personality, 47, has been dating talent agent Mark Rousso for a little more than a year, sources tell Us.
They kept their relationship quiet until earlier this month when Rivers brought Rousso as her date to the Pre-Grammy Gala's Salute To Industry Icons in Los Angeles on Feb. "They've been secretly dating for a year but got really hot and heavy over the last two months," an insider tells Us.
"They're getting serious now." PHOTOS: Joan Rivers' Life and Career, 1933-2014 Rousso, who works for Industry Entertainment, stood by Rivers' side as she dealt with her mother's hospitalization and death.
After a botched surgery and time spent in a medically induced coma, Joan Rivers passed away this past September.
Joan Rivers boldly made a profile under her own name.
The entire show is tinged with a touch of 'well, what did you expect? Unfortunately, Rivers' schtick does occasionally teeter on the edge of intrigue.
The result is not offensive, per se, but actually boring, which is arguably a lot worse.
Fans of Rivers' topical, slightly female-oriented sense of humour will draw much pleasure from only a 50-minute show, while those less affiliated with the comedienne may find some quirks in her performance a little repetitive and, barring that, simply too lacking in context to hit the mark.
Rivers and Rousso were introduced as friends of a cast member in the July episode called "Trouble in Paradise." PHOTOS: Joan Rivers Remembered: Celebrities, Former Costars' Photos, Tributes to Late Star This is Rivers' first long-term relationship since her 2011 split from Jason Zimmerman, whom she dated for three years.
She was also previously married to John Endicott from 1998 to 2003.
Weezer's frontman, Rivers Cuomo, signed up for a dating site whose name was not revealed, but according to Cuomo they responded to his profile with the message, "We're sorry, but there is no one anywhere in the world that is appropriate for you."If you're a Jewish single you might be familiar with JDate, the website which Luke Greenfield signed up for.