The 26-year-old actress is in Brazil promoting the John John Denim clothing line, and has been seen at the Lollapalooza festival in São Paulo and various nightclubs around town.
In other LiLo news, TMZ reports Lohan agreed to enter rehab, only if the facility would allow her to continue taking Adderall.
Sources say the "Liz & Dick" star has for years taken the drug daily for her ADHD, and believes she needs it to function.
Lohan attorney Mark Heller assured Lindsay he could find a lockdown rehab facility which would accommodate her demand.
The infamous Lindsay Lohan was letting it all hang out as she stepped off a helicopter in Brazil this weekend, giving onlookers a full glimpse of her right breast. See the pic!