Ora tried to avoid embarrassing anybody on 50 Shades set

Rita Ora was careful not to "embarrass anybody" filming 'Fifty Shades of Grey'.

The 23-year-old singer is set to try her hand at acting in the new blockbuster adaptation of E.L. James' best-selling erotic novel and she admits she was so nervous about her role - playing Christian Grey's sister Mia - she worried she would mess up.