Kim Kardashian, 41, and Pete Davidson, 28, have seemingly gone public with their romance after their PDA-filled handholding photos and trip to Palm Springs to celebrate his birthday — but Kim’s ex Kanye West, 44, is less than thrilled. “Kanye is not at all happy with Kim and Pete taking things to the next level and he was very upset that Pete was invited to Kris Jenner’s house,” a source spills to HollywoodLife EXCLUSIVELY.