At 48 years old, Hollywood A-lister actress Sandra Bullock remains a workaholic person. Sources said Bullock recently celebrated her birthday while filming her latest movie, The Heat in Boston.

According to reports, Bullock withstood the bad weather to shoot her scenes with actress Melissa McCarthy. Despite her work-schedule, Bullock remains very happy and optimistic in the set of her latest film.

The mother of one remains pretty and very much ahead of her acting craft. Since she entered the world of Hollywood, Bullock had a done a number of films most or whom are blockbuster hits around the world. 

The fans and family of the Hollywood superstar wished her all the best in her 48th birthday.

Photo: Wikipedia