The two were spotted hanging out together back in December, and since then rumors of them dating began to circulate.
Holly finally spoke up and admitted to liking Madden and called him her "adventure buddy."
And a source now adds that "It's heating up between them."
The couple was spotted this past weekend pAArtying it up in Vegas. They headed to a boxing match, to dinner, and a few clubs.
Looks like love is in the air for these two. The question remains though, will it last?
What do U think?
[Image via WENN.]