© Instagram / Rihanna
The singer, who threw a Halloween party on Wednesday night, uploaded the photo to her Instagram account with the caption: "The morning after! Hello November."
© Twitter / Evelyn Lozada
The 24-year-old still had her green veil and tiara on her head after the fancy dress party which saw her on-off boyfriend Chris Brown dress up in bad taste, holding a gun and dressed as an Arab.
© WENN / Josiah True
Paris Hilton went as a sexy Robin, while Lindsay Lohan was dressed as a character from Top Gun.
© Paris Hilton Twitter
Celebrities dress up for Halloween:
One Direction's Liam Payne dresses as Batman and Tom Daley a fat skeleton as they celebrate Halloween at Funky Buddha nightclub.
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Copyright: WENN
