Britney Spears’ fiancé is showering her with love as she celebrates her 40th birthday.

Sam Asghari put up a beautiful display of fireworks to mark the milestone.

The personal trainer detailed the impressive fireworks show on his Instagram story.

The gorgeous elaborate display included colors such as gold, purple, blue, and green.

At the start of Britney’s big day, Asghari surprised her with a stunning cake.

He presented a pink and red B-shaped shaped cake with rose icing decoration.

He also gifted his woman a cute mini bouquet which contained white and red roses.

The fitness guru took to social media to shower praises on Britney for her birthday.

He praised her “relentless strength” and “beautiful heart” which inspires him.