Khloe Karsdashian skips sister Kim's 35th birthday party to stay by Lamar Odom's side

Kim Kardashian showed off baby bump in a tight dress as she stepped out with her husband rapper Kenya West to celebrate her 35th birthday party on Wednesday October 21 at Cinepolis Luxury Cinemas in Thousand Oaks, California.

Kim's sister Khloe, 31, skipped the birthday party on Wednesday in order to stay by the hospital bed of Lamar Odom, amid reports the former NBA star ''isn't doing that well''.

''Lamar isn't doing that well,'' a source told Us Weekly. ''He can't stand up by himself. (Khloe) is still very worried about him and uncomfortable with leaving.''

Family members including mom Kris Jenner, sisters Kourtney, Kendall and Kylie, as well as Caitlyn Jenner were seen arriving at the party carrying presents.

 Khloe seen walking behind Odom and his hospital bed in new room in Los Angeles on Wednesday.