Paul 's mistress Marcela Valladolid looks chirpy

Paul 's former mistress has been seen for the first time since it emerged he is splitting with his wife of 20 years. 

Marcela Valladolid - who had an affair with Paul when they co-hosted the US version of Bake Off in 2013 - didn't seem fazed by the news as she attended a pop-up cookery workshop in West on Monday. 

Beaming broadly, the American chef, 39, looked in high spirits on the outing, where she was joined by her fiance, Philip Button.

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Loving life: Marcela Valladolid - who had an affair with Paul Hollywood when they co-hosted the US version of Bake Off in 2013 - looked chirpy at a pop-up cookery workshop in West Hollywood on Monday

Loving life: Marcela Valladolid - who had an affair with Paul when they co-hosted the US version of Bake Off in 2013 - looked chirpy at a pop-up cookery workshop in West on Monday

Looking effortlessly chic on the outing, Marcela donned a black polo neck dress that she wore beneath a grey plaid blazer. 

Flashing a hint of leg, the brunette donned a pair of knee high leather boots with chunky heels that boosted her petite frame.

Wearing her glossy chestnut locks in a slick ponytail, the Mexican Made Easy host finished off the look with a pair of large silver hooped earrings.

All-smiles: Beaming broadly, the American chef, 39, looked in high spirits on the outing

All-smiles: Beaming broadly, the American chef, 39, looked in high spirits on the outing

Former flames: Marcela, now a mother-of-three, had an affair with Paul Hollywood in 2013 when they appeared on the American version of Bake Off together

Former flames: Marcela, now a mother-of-three, had an affair with Paul in 2013 when they appeared on the American version of Bake Off together

Marcela, now a mother-of-three, had an affair with Paul in 2013 when they appeared on the American version of Bake Off together.

Paul's wife Alexandra filed for divorce in July that year, but they reconciled two months later after his relationship with Marcela ended. 

Marcela went on to meet fiance Paul Button and the pair have since welcomed two children together. The Food Network star has a son from a previous relationship. 

Paul, 51, split from his wife Alex, 53, temporarily in 2013 after admitting to the

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