Ashton Kutcher at Bruno Mars concert in Sao Paulo Brazil
01/25/2012 at 02:00 PM EST
As news broke that Demi Moore
was seeking treatment for exhaustion
, where was her ex Ashton Kutcher
Partying with supermodels in Brazil.
The Two and a Half Men
star, who is in the South American country to shoot a catalog for the Brazilian fashion brand Colcci, attended a show at Sao Paulo Fashion Week and stepped out with Brazilian celebrities, including Victoria's Secret model Alessandra Ambrósio.
On Monday – the night paramedics responded to a 911 call at Moore's home – Ashton Tweeted a picture
of himself "surfing the streets of Sao Paulo" in the rain. That night he went to bar Número with soccer star Ronaldo Nazério de Lima, his wife Bia Anthony, Ambrósio and model Ana Beatriz Barros.
On Tuesday, he was spotted signing autographs and posing for photos with fans
during a Colcci photo shoot.
Tuesday night, Kutcher hit the Summer Soul Festival
to catch Florence + The Machine
After the show, Kutcher returned to his hotel before stepping out again
"He doesn't stop!" reads a headline on a Brazilian report about Kutcher's late-night partying.
Kutcher returned to Número Tuesday, before making another stop at club Set, where Anthony and Barros were also partying. He reportedly stayed until almost 4 a.m.