Joining in on the Hollywood Halloween revelry, Christina Milian was on-hand at the Pur Jeans Halloween Bash held at STK last night .
The "AM to PM" singer showed off her fine figure in a ladybug costume as she mingled with a guest list including Lauren Conrad, Kim Kardashian and Caroline D'Amore.

Meanwhile, rumors are growing that Christina is dating actor Cody Longo, with the pair being linked since September after numerous club sightings.

Of the supposed romance, source tells Star magazine, "They were just friends for a while because both of them had other relationships, but recently things got serious."

The insider adds, "They have amazing chemistry. It's difficult to pry the two of them apart."