Simone Holtznagel sizzles in a hot tub with PT boyfriend Jono Castano

Celebrity model Simone Holtznagel and her personal trainer boyfriend, Jono Castano, have been turning heads with their red-hot romance.

The pair recently enjoyed a romantic getaway, complete with a sizzling hot tub session.

Taking to Instagram, Holtznagel shared a series of photos from the holiday, which saw the couple cuddle up in a hot tub.

In the snaps, the model showed off her enviable figure in a tiny pink bikini, while her beau showed off his muscular physique in a pair of black shorts.

The couple were all smiles as they shared a tender kiss in one of the photos, with Holtznagel captioning it with a heart emoji.

The model and TV personality has been dating Castano since early 2020, after meeting through mutual friends.

Since then, the couple have been inseparable, often sharing loved-up photos on social media.

The pair have also been documenting their fitness adventures, with the couple regularly taking part in intense workouts together.

The couple’s latest romantic outing comes after Holtznagel recently opened up about their relationship, telling Stellar magazine that Castano was her “perfect match”.

It looks like the couple’s relationship just keeps getting hotter.