Summertime means celebrities step out in all kinds of crazy headwear. Aerosmith performed at a music festival in Donnington Park, England, over the weekend with frontman Steven Tyler wearing a Native American headdress.
He must not have followed the Pharrell Willams Elle magazine controversy.
The FIFA World Cup is in full swing, and fans are showing their pride by dressing in strange costumes, including making hats with Barbie dolls glued all over them.
Actress Kate Winslet followed British tradition by wearing a black and white fascinator to the Prix de Diane (Diane Prize) in Chantilly, France.
And actress Lupita Nyong'o 7th looked chic at the Annual Veuve Cliquot Polo Classic in Jersey City.
Check out more interesting headwear in the slideshow below: