She's used to shaking her lady lumps as a member of the Black Eyed Peas so Fergie was more than prepared for an appearance at Brazil's annual carnival.
The singer, 36, was pictured on stage at the Floripa Music Festival in Florianopolis, Brazil.She was in the Brazilian city as part of the celebrations that are taking part across the country during carnival.
Bright-eyed pea: Fergie beamed as she made an appearance at the Floripa Music Festival in Florianopolis, Brazil
Happy days: The singer appeared to enjoy the response of the crowd at the event
And she invited the audience to join in, holding her microphone aloft so they could respond by singing her lyrics back to her.
Earlier in the day she took to her Twitter page to whip up anticipation for her appearance.
She wrote in Portuguese, saying: 'Mau posso esperar para bombar com voces hoje a noite! Floripa Music Festival no Stage Park! Vamosss Brasil!!! Beijossss.'
Sing-a-long: Fergie performs one of her songs...
...and invites the crowd to sing the lyrics along with her
Fergie was one of a number of famous faces who appeared at carnival-related events across Brazil.
Every year the country's larger companies pay for celebrities to appear in their boxes to help promote their brand.
Jennifer Lopez was said to be appearing in the box of Brahma, Brazil's largest brewer, according to the Daily O Globo.
Guest of honour: The singer poses for a picture at the music festival
Another Brazilian brewer, Devassa, announced on its website: 'The secret is out: Hugh Hefner will be present in our box' at the renovated Sambadadrome, where the city's best samba schools will vie for the title of Carnival champion with lavishly decorated floats and scores of scantily dressed women.
Top Brazilian companies also sent invitations to other international stars, including Paris Hilton, Madonna, Naomi Campbell, Bono, Matthew McConaughey, a common marketing strategy to lure clients to their lavish boxes during Carnival.
You have read this article Floripa Music Festival in Florianopolis and Carnival in Rio: 'Let's go Brazil': Black Eyed Peas star Fergie is on sparkling form at a huge carnival event
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