Looks like there aren't any pre-wedding jitters here!
Kanye West has "never looked happier" than he did at a book party with pals yesterday evening.
E! News has learned that the rapper was with a close group of friends to celebrate businessman Ben Horowitz's latest release, The Hard Thing About Hard Things: Building a Business When There Are No Easy Answers.
An eyewitness tells us that West is normally more "insulated" at such events, but that he was "talking to everyone and was in such an incredible mood."
The onlooker added, "I've never seen him smile more. You could tell he was just really happy to be there."
Guests at the bash enjoyed snacks from L.A. eatery Lucques and VeeV cocktails.
And aside from supporting his friends' ventures and wedding plans, it looks like West is also working in the studio with rapper Tyga.