Reunited and it feels so good!

Khloe Kardashian brought beau Tristan Thompson home to LA for the weekend and boy does she look happy and in her element! The wet-hair styled beauty stunned in a sexy off-white silk slip dress, sans bra, for an evening at Nobu Malibu with Tristan's pals. They were celebrating a member of his entourage's birthday and boy do those Cleveland boys have a style! Throwback tees abounded -- Tristan's tribute to Tupac (appropriate since the biopic All Eyez On Me hit theaters this week) was one of many worn by the group. But hey, even Nori's getting in on the trend!

Khloe appeared to be a having the time of her life with Tristan and his pals -- our photographers tells us, "Khloe was over the moon; I haven't seen her so happy in a long time. She also loved being the center of attention with Tristan and all the guys. Tristan enjoyed showing her off."

Looks like these two are the real deal; they've been dating since September and as Khloe's biological clock is ticking -- she's 32, he's 26 -- we have a feeling an announcement is coming soon ...