Rod Stewart, the British musician known for his many contributions to rock and pop music, turned 80 on Friday, January 10, and celebrated with a look back at some of his beloved memories on Instagram.

Rod Stewart ... page is full of photos of his sporting highlights, as well as his wife Nicole Artukovich and their 11-month-old son Louie. Rod also shares two sons with his now-wife Penny ...

Ron Galella Collection via Getty Images The “Da Ya Think I’m ... "You could theoretically run into Rod Stewart sometime! Now he knows to punch you," Colbert added playfully.

I don’t think he knows.” The revelation sparked a hilarious reaction from Colbert, who joked, “You could theoretically run into Rod Stewart sometime! Now he knows to punch you.” ...

Taking to Instagram, the singer's model son, Alastair Stewart, shared insights into the family celebrations with several gorgeous photos as most of Rod's large brood joined in the fun. Alastair ...

More Taylor Hill/WireImage/Getty Images "Once ... that he "could theoretically run into Rod Stewart sometime," and that now the "Maggie May" singer "knows to punch" the actor.

Stewart, 80, has eight children with five different women. Max Mumby/Indigo/Getty Images Included ... up for adoption. Rod reconnected with his eldest, Sarah Streeter, now 62, in 2010.

Colbert retorted, “He knows now.” David Schwimmer’s recollection of working as a process server for his mother’s law firm matches the public timeline of Rod Stewart’s divorce from his ...