The American first lady was criticised by people for wearing stilettos to visit he victims of Hurricane Harvey in Texas.
They felt it made her outfit glamorous , taking away from the seriousness and soberness of the disaster.
Meanwhile another American first lady, even though on a magazine cover, Kim Kardashian , her sisters and mum have pledged $500,000 to victims of the disaster.
Other celebs including Beyonce have also made donations. Beyonce is said to have given about $1,000,000 through her BeyGood foundation, while Chris Brown gave $100,000.