Lindsay Lohan: 'Late Show With David Letterman' in April!

Lindsay Lohan dons cowboy boots while exiting a local nightclub on Friday (March 29) in Sao Paulo, Brazil.

The 25-year-old actress was mobbed by fans, who had waited outside for her.

PHOTOS: Check out the latest pics of Lindsay Lohan

The day before, Lindsay promoted the brand John John at the Rua Oscar Freire.

It was recently announced that Lindsay will be making an appearance on Late Show with David Letterman on Tuesday, April 9. We can’t wait!

10+ pictures inside of Lindsay Lohan enjoying the nightlife in Brazil…