Not embarrassed! Adrian Grenier is totally fine with Courtney Robertson telling people he has a big penis. The Entourage actor reacted to the Bachelor alum's past comments during an appearance on Watch What Happens Live on Wednesday, August 10.

Robertson, 33, revealed in her 2014 tell-all book, I Didn't Come Here to Make Friends: Confessions of a Reality Show Villain, that the two hooked up. They met at a star-studded Oscars afterparty and bonded over a "mutual loneliness in L.A." She "didn't feel a spark," but the two later went on a date anyway.

"He had the biggest penis I'd ever seen—and the biggest bush!" she wrote in the chapter titled "Catwalking & Starf---ing."

Asked about the book on WWHL, Grenier, 40, showed he has a sense of humor about himself. "I was just glad she got the size right!" the actor told host Andy Cohen.

"She said you had the biggest d—-k she’s ever seen," Cohen added.

Grenier replied: "And she's seen a couple of them, huh."

He admitted that he gets nervous when stories are written about him in the press. "I mean, you’re always on the edge of your seat waiting for something bad to be revealed about you," he told Cohen on Wednesday. "And then every once and a while it’s not so bad."

Grenier isn't the only celeb who Robertson has dated. In her book, she recalled getting set up on a date with CAA agent Jim Toth, who went on to marry Reese Witherspoon in 2011, and hooking up with Jesse Metcalfe.

"I wish I could say that we were the greatest lovers since Christian Grey and Ana Steele," she wrote of the Desperate Housewives alum, 37. "But I can't lie. The sex was pretty average. Jesse needed a lot of reassurance."

Watch Grenier on WWHL in the video above!

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