Actress Shilpa Shetty who celebrated her 40th birthday yesterday, had a big surprise in store for her as her hubby Raj Kundra turned her special day into the best ever birthday for her.

Raj Kundra planned a surprise party for Shilpa in Montenegro without her knowledge and invited his closest pals and family members for the occasion.

Shilpa too to twitter to express her happiness about this splendid surprise. She wrote, "UNBELIEVABLE birthday surprise! In Montenegro and all my dearest family and friends flown in to wish me @TheRajKundra u r the "Bestest"

She further added, "Can't believe @TheRajKundra pulled this one off without me having an inkling. Am in shock!! What a night, my best Birthday ever, thankuuu all."

She also shared an image with all the attendees at the party wearing white and black formal ensembles. "Bond theme for last night," she captioned the photograph.