Miley Cyrus, the "Wrecking Ball" singer, spent Halloween dressed up as Lil' Kim, but also reportedly kissed Benji Madden at a party. Think Theo Wenner's rumored love is dating the rock star? 

According to E! Online, Liam Hemsworth's ex-fiance, 20, had a steamy makeout session at a Hollywood nightclub, Bootsy Bellows celebrating the spooktacular day.

Cyrus, who has also been romantically linked to Mike WiLL Made It and Juicy J this year, had reportedly attended the soiree with 10 of her gal pals. She was even spotted hanging out with Kelly Osbourne and her fiance, Matthew Mosshart.

"They were dancing and just really getting into the spirit of things," revealed an insider to E! about Cyrus and Osbourne. "Kelly didn't stay very long and so after catching up with Miley she left."  

But a fun girls night out quickly turned into a hot rendezvous when the controversial peformer met up wth Madden, reported E!

The pixie-cut songbird, who is now single after breaking off her engagement with the "Hunger Games" star nearly two months ago, reportedly hit it off with the Good Charlotte guitarist. In fact, the two were seen leaving the club together with a group of friends.

A photo from that night shows Madden's face and Cyrus' purple wig, inspired by Lil' Kim 1999 MTV Video Music Awards appearance, according to the celebrity news site. For the photo, click HERE.

Think Cyrus and Madden really had a smooching session? Tell us your thoughts in the comments section below!