Pakistan, June 21 -- Julia Roberts has celebrated the 19th birthday of her youngest son, Henry, during a rare public outing with her children in New York City.

The 58-year-old Pretty Woman star was spotted enjoying a family afternoon on Friday outside the landmark Jane Hotel, located in Manhattan's West Village neighbourhood.

Henry, who goes to college in the city at the Pratt Institute, completely towered over his famous mother as they marked his special milestone. Joining the birthday celebrations was Roberts' 21-year-old daughter, Hazel Moder, who is currently a student at Trinity College Dublin in Ireland and was also visiting the city. The family gathering was missing a few key members, as Hazel's twin brother, Phinnaeus, who atten...