Real age of Rihanna in The Bling Ring
In the movie The Bling Ring, Rihanna was:
24 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 Bling Ring was released:
January 1, 2013
And the day in which Rihanna was born:February 20, 1988
Since movies usually don't take more than one year to be released since the beginning of the filming process, Rihanna may have been one year younger or one year older than the shown age while some scenes of the movie were being filmed.