Bollywood’s fittest dude Akshay Kumar, his wifey Twinkle Khanna and kids Nitara and Aarav are on a vacation in Cape Town, South Africa. <br />So upbeat was Akki that he made an exception and shared one of the lovely picture of his wife and him on the photo sharing site captioning the pic: 'December in South Africa #sublime.' <br />While Khiladi’s wife celebrated her birthday, the day also marks her superstar dad Rajesh Khanna's 72nd birthday anniversary. She took to micro-blogging site and posted a young and rare photo of the two of them. <br />In the pic, the actress is seen smiling and father is teaching her a thing or two. Mrs. Khanna, who’s currently in South Africa with her husband and actor Akki shared the candid pictures on this special day. Take a look…