Vampire romance featuring Fat Bottom Girls

I'm trying to find a book that I read in the early/mid 2000's about a vampire & a human. They meet at a wedding reception I think, & complain to each other how Fat Bottom Girls is playing. I think the vampire(male) reappears in the humans(female) life by coming through her window. I don't remember much else other than her saying that he was "hung like a horse".

Primal Heat. I looked at the first few pages in Google Books and there's a conversation at a wedding about "Another One Bites the Dust" and "Fat-Bottomed Girls."