Britney Spears was living it up to celebrate her 41th birthday on Sunday.

The Stronger hitmaker was spotted outside a Miami hotel, rocking a purple floral print bikini as she took a dip in the pool, a day before her birthday.

Stunner: Britney Spears was living it up to celebrate her 41th birthday on Sunday

Britney was wearing a purple floral print bikini and black Ray-Ban sunglasses as she frolicked in the pool while showing off her ripped frame.

The star, who is famed for her gruelling workout regime, was sure to show off the fruits of her hard-worked labour in the sexy two-piece.

She was beaming while swimming in the water with a white foam pool mat, while making her life easier by pulling her blonde hair back in a messy ponytail.

There were also a number of large balloons seen being delivered for her birthday on Sunday, some of which were seen in her Instagram video on Monday.

Sun-soaked: The Stronger hitmaker was spotted outside a Miami hotel, rocking a purple floral print bikini as she took a dip in the pool, a day before her birthday

Looking good: The pop star flaunted her incredible body in the patterned bikini

Ray-Ban: The singer was wearing a purple floral print bikini and black Ray-Ban sunglasses as she frolicked in the pool

Float: She was beaming while swimming in the water with a white foam pool mat with her blonde hair pulled back in a messy ponytail

Birthday balloons: There were also a number of large balloons seen being delivered for Spears’ birthday on Sunday, some of which were seen in her Instagram video on Monday