Liev Schreiber & Vinessa Shaw: 'Romeo & Juliet' Opening!

Liev Schreiber suits up while attending the opening night performance of Broadway’s Romeo & Juliet on Thursday (September 19) at the Richard Rodgers Theatre in New York City.

The 45-year-old actor was joined at the event by Side Effects stars Vinessa Shaw and Mamie Gummer.

PHOTOS: Check out the latest pics of Liev Schreiber

Also pictured inside: Liev and his partner Naomi Watts attending a street fair in Soho the day before with their sons Sasha, 6, and Samuel, 4.

Liev was also seen taking the kids for an early morning bike ride to school earlier in the week.

FYI: Naomi is carrying a Gerard Darel Dolly bag.

20+ pictures inside of Liev Schreiber out and about with his family…