VIDEO : Blossoming Romance of Gwen Stefani and Blake Shelton...

After canoodling together throughout the Halloween weekend, it definitely appears that Gwen Stefani and Blake Shelton are a bit more than "just friends." Not only did E! News reveal exclusive photos of the two with their arms wrapped around each other at Adam Levine and Maroon 5 's Halloween party, but sources also tell us they were spotted holding hands at Jared Leto 's shindig the night before and even ended up leaving together . A source who works with the duo on The Voice says, "They are definitely flirty on the set and you can see they have fun together.