Today, former Metallica bassist Jason Newsted turns 56. Metallica members celebrated Jason’s 56th birthday on Instagram and Twitter.

Drummer Lars Ulrich has shared special photo of himself with Jason, and wrote:

“Smile Lars, it’s Jason’s birthday!!!”
Happy birthday Brother..
#wanna #happybirthday
📸 by @rosshalfin”

See the Instagram post below.

Also, Kirk Hammett posted a photo with Jason, and wrote:

“Happy Bday
Jekkerz ! #metfamily @jasonnewstedofficial”

Check out the post below.

Hammett also shared another post about Jason’s birthday on Twitter as you can see below. It’s an hilarious gif actually. Don’t miss.