The couple served major couple goals at the drummer's son's celebration.
The "Kardashian" star posted a slew of steamy snaps of the duo getting very touchy.
The last photo gave a view of the duo kissing each other.
The blended family came together to celebrate the milestone with beautiful posts on social media.
The celebrant's famous father got the ball rolling with heartwarming pictures on his Instagram page.
A few hours later, Kourtney took to Instagram to celebrate her stepson via three pictures.
The reality T.V. star addressed husband's foot fetish rumors.
The "One Life To Live" guest star opened up on a steamy detail of her relationship with Travis Barker.
She did this in an interview with Amanda Hirsch on Dear Media's "Not Skinny, Not Fat."