Mustafa was not only spotted at Griffin's Trevor Project benefit concert in L. in December, but the two were also together earlier this month at Cher's final performance of her Las Vegas show.

Isaiah Mustafa may have snagged one of the funniest women in the world, Kathy Griffin.

He appeared giddy when chatting to us about the possible new romance at OK! Isaiah, 37, played coy when asked about his relationship with Kathy, 50, but he did admit to sending her flowers.

“You know just because a guy sends roses to her show at the Kennedy Center…

in Washington DC, doesn’t mean anything is going on,” he told Hollywood with a giant mischievous grin on his face. Previously, Kathy has posted pictures of Isaiah on her twitter telling followers, “A gift from me 2 u. Feel free to photoshop ur face over mine.” The pair have also been spotted getting cozy on the set of actress Neve Campbell, and some people seem to think they are still dating.

Meanwhile, Kathy had a very public faux romance with Levi Johnston, Bristol Palin‘s ex, which leads us to question whether her relationship with Isaiah is just for publicity, or is real.

After the Bravo star was spotted around town with Isaiah Mustafa (the Old Spice guy), a source confirms to Us that the two are indeed an item.Looks like Kathy Griffin may be spicing up her life. Have things actually turned romantic between the two? A source tells me that Griffin and Mustafa first met months ago.I'm told that the outspoken funnylady has been spending some serious time with—ready for this? Maybe it was back in August at the Creative Arts Emmys, where they did a joint interview on the red carpet with our own Kristin Dos Santos?Not longer after that, Griffin tweeted a pic of the two of them with the post reading, "A gift from me 2 u. Feel free to photoshop ur face over mine."Our source says they started spending more time together within the last month or so.The source wouldn't describe the relationship as "romantic," but says, "They're getting to know each other."Mustafa's rep tells me, "Isaiah said they are just good friends and have a blast hanging out." The former football player was most recently linked to star Neve Campbell.