Real age of Lady Gaga in The Karate Kid
In the movie The Karate Kid, Lady Gaga was:
23 years old
That was the real age of the celebrity according to our calculation.
The calculation of the shown age took into account the first day of the year in which the movie The Karate Kid was released:
January 1, 2010
And the day in which Lady Gaga was born:March 28, 1986
Since movies usually don't take more than one year to be released since the beginning of the filming process, Lady Gaga may have been one year younger or one year older than the shown age while some scenes of the movie were being filmed.