It’s Party Time! Adam Levine and Behati Prinsloo’s Pre-Wedding Beach Bash Attended By Barefoot Guests Jonah Hill And Jason Segel

Jul. 19 2014, Published 3:20 p.m. ET
The big ceremony may not be until tonight, but Adam Levine and Behati Prinsloo have already gotten the party started.
The Voice mentor, 35, and his Victoria’s Secret model bride-to-be, 25, hosted a post-rehearsal dinner soiree last night at a beachside mansion in Los Cabos, Mexico, a source exclusively tells RadarOnline.com Online.
“It was very relaxed and had good vibes,” the insider says. “Everyone was barefoot!”
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Levine’s actor guy pals Jason Segel and Jonah Hill attended the bash, the source adds.
As RadarOnline.com previously reported, tonight’s nuptials at the luxury Hotel El Ganzo will feature A-list guests including Leonardo DiCaprio, Erin Heatherton and Candice Swanpoel, and performers Sublime and Stevie Nicks.
“Maroon 5 guitarist James Valentine will perform ‘Landslide’ with Stevie,” the source reveals.
In a shocking move, former ladies man Levine dumped girlfriend Nina Agdal, 22, and immediately proposed to ex Prinsloo in July 2013.