The TV host, 35, whose close relationship with Paul on the set of The American Baking Competition was said to have ended his marriage, was spotted soaking up the sun on Miami Beach.
The Mexican-American divorcee showed off her curvy figure in a black bikini as she enjoyed a break on America’s East Coast with her son Fausto.
During her holiday, she was photographed going for a swim in the Atlantic Ocean and sipping on a Starbucks coffee.
Her Miami break came weeks after she was photographed holidaying with Great British Bake Off star Paul, 47, on the Spanish isle of Majorca.
Paul was thought to have spent four days with Marcela and her son Fausto, where onlookers said they looked like a ‘loving and happy family’.
Action: Marcela got some exercise as she ran up the shore
The couple are yet to comment on the nature of their relationship, but their cosiness on set of The American Baking Competition was said to have been the catalyst in Paul’s split from wife Alexandra after 15 years of marriage.
Alexandra said she blindsided to find her marriage was over after Paul spent just four weeks filming alongside Marcela in the US in March.
They appeared to hit it off from day one, with Marcela referring to the Liverpudlian as a ‘handsome devil.
However, Alexandra got the last laugh when the US version of Bake Off failed to win over a large audience.
In an interview with the Mail in July, she said: ‘In the space of four weeks my life changed irrevocably. One minute I was happily married and the next I wasn’t. It was a complete shock. I still haven’t completely absorbed it yet.
‘Sometimes I wake up in the morning and can’t believe it’s happened. I feel utterly bewildered and incredibly sad. Paul went to America and when he came back everything was different, everything had changed.’
Looking good: Despite her love of food, it’s clear Marcela takes care of her figure