United Kingdom, Feb. 18 -- Hart to Hart stars Robert Wagner and Stefanie Powers recently reunited for the former's 96th birthday.

A picture uploaded on Robert's Instagram shows the pair - who played married couple Jonathan and Jennifer Hart in the ABC mystery series - embracing in honour of the Austin Powers star's birthday earlier this month.

The photo was captioned: "When Jonathan and Jennifer reunite, it's always something special.

"Thank you, Stefanie, for the beautiful birthday visit."

Hart to Hart saw Wagner and Powers play wealthy couple Jonathan and Jennifer - who led a glamorous jetset lifestyle and often found themselves working as unpaid detectives to solve crimes that they had become embroiled in.

The series aired for fiv...