He closed the carousel with a photo of Landon playing guitar as Travis played the drums on stage. Travis also wrote a kind message with the caption: “Happy Birthday, @landonasherbarker.

She shared a clip of herself lighting a candle before walking into Landon's bedroom while singing 'Happy Birthday' to him as he sat on his bed playing a guitar. She captioned it: "21!!!

Travis, 48, also included snaps with Landon’s respective sister and stepsister, Alabama Barker and Atiana De La Hoya, as well as the birthday boy’s stepmother, Kourtney Kardashian.

Kourtney Kardashian, too, has been enjoying celebrating her stepson’s big day, sharing shots of a lavish “Happy Birthday Landon” balloon arch as well as a tray of colorful cupcakes.

one fan noted about a past encounter. Another wrote, "Handsome, All of You 論Happy Birthday Landon! ." Stepsister Atiana De La Hoya commented, "Landon, the best sister 懶," while stepmom ...

For his son Landon Barker’s milestone 21st birthday, the Blink-182 drummer shared a special Instagram tribute to his eldest son, writing on Oct. 9, “Happy Birthday @landonasherbarker .

"Happy birthday," Landon wrote alongside a snap of him with Travis and Kourtney on his Instagram Stories April 19. "I love you and hope you had the best birthday ever!" "I just want to take a ...