(written from a Production point of view)
Rihanna, full name Robyn Rihanna Fenty (born 20 February 1988; age 29), is a Barbadian singer, songwriter and actress. She recorded the Star Trek Beyond promotional single "Sledgehammer", which was written by Sia. Rihanna also costarred with Sia in the 2015 remake of "Annie".
Rihanna inherited her love of Star Trek from her father during childhood, and said "Sledgehammer" is more important than recording a song for just any film, "because Star Trek is such a big deal across the globe." 
In addition to her career as a singer, Rihanna has also built an acting career with roles in the science fiction film Battleship (2012, with Joe Chrest).
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