Rihanna was doing her alien act on stage in Australia with Chris Brown, when she started feeling sick.

Eventually she ended up stumbling off stage where she apparently passed out! The paramedics were called to work on Rihanna and it’s not known what caused her to feel weak. My guess is exhaustion — the same excuse Janet Jackson used.

What others said:

• Dlisted says, “It was probably her body telling her that its sick of hearing that damn “Umbrella” song!”