Cheech Marin and Natasha Rubin
Roger Karnbad/Celebrity Photo
03/12/2009 at 06:00 AM EDT
Time to move over, Chong, Cheech has a new sidekick for life.
Cheech Marin, best known for his roles in the Cheech & Chong
and Nash Bridges
will wed girlfriend of four and a half years, professional classical pianist Natasha Rubin, his rep tells PEOPLE exclusively.
Marin, 62, proposed Feb. 17 over dinner at the intimate Giorgio Baldi restaurant in L.A. "The couple are thrilled and looking forward to sharing their special day with close friends and family," his rep says.
The couple plan to wed this summer at the actor's Malibu home.
– Jen GarciaRELATED ARTICLE:
1998: Cheech tames his pot-smoking ways for fatherhood RELATED GALLERY:
Read about more celeb engagements on the covers of PEOPLE