Yes, Tamara Ecclestone IS the hottest mum in the world.

The Formula 1 heiress slipped into a striking red bikini while holidaying in Ibiza and proved she has one of the hottest bods around.

The yummy mum was showing off her enviously toned tummy, lean legs, and ample chest as she paraded around the pool at her luxury resort.

Other shots show the beaming brunette, 30, holding onto her five-month-old daughter Sophia, who looked adorable in a baby pink outfit and white sun hat.

Tamara, hubby Jay Rutland, and baby Sophia jetted into the White Isle four days ago on a private plane, where Tamara shared a shot of her and her "princess".

Other snaps on her Instagram account show the brunette beauty and Jay looking happy and relaxed as they take a stroll along a Spanish beach.

Another shot sees her cradling the smiling tiny tot as they sit on a sun lounger together.

Just a month after the 30-year-old gave birth Tamara had slipped back into her skinny jeans, but one person who wasn't happy with how quickly she had shed her pregnancy pounds was Luisa Zissman.

The former CBB star criticised Tamara for losing her baby weight too quickly and not saying she had any help doing so.

Luisa, 26, said: “She should admit she has help. It’s not bad to lose the weight, it’s the image celebs portray that they’re like other new mothers. They have nannies, so they can leave their babies and exercise for hours every day.

"And they have help so they can basically starve themselves thin. New mums can’t do that – they need to eat because they need the energy and the rest."

What do you think?

For more snaps of the stunning star, scroll to the gallery above.