Lleyton and Bec Hewitt’s daughter Mia, 18, cuddles up to rocker boyfriend as they enjoy beach date in Tamarama

Bec and Lleyton Hewitt’s daughter Mia was enjoying some fun in the sun on Sunday. 

The musician was joined by her rocker boyfriend, Vanda Erich, as they soaked up the rays in Tamarama.

The 18-year-old opted for a mismatched bikini in blue and brown tones, which she wore under a pair of denim shorts. 

She added a pair of chic retro sunglasses and went barefoot as she made her way down to the sand. 

The teenager appeared to go makeup free and wore her caramel locks up in a ponytail. 

Mia completed her look with a striped tote bag and a smattering of accessories including a bracelet. 

Vanda meanwhile went shirtless and wore blue shorts as well as also donning sunglasses. 

The couple appeared happy and relaxed as they headed down to the water, chatting happily as they walked. 

Bec and Lleyton Hewitt’s daughter Mia (pictured) was enjoying some fun in the sun on Sunday

The musician was joined by her rocker boyfriend, Vanda Erich, as they soaked up the rays in Tamarama. Both pictured

The musician was joined by her rocker boyfriend, Vanda Erich, as they soaked up the rays in Tamarama. Both pictured 

The 18-year-old opted for a mismatched bikini in blue and brown tones

The 18-year-old opted for a mismatched bikini in blue and brown tones

They found a spot on the sand, laying down towels and applying sunscreen to one another before enjoying a dip in the water. 

The pair then indulged in some fresh coconut drinks, sharing a cuddle during the outing. 

Earlier this month, Mia performed her first gig with her band Father’s Favourite.

Mia, the daughter of the tennis pro and Home and Away actress, looked stylish in a tiny white skirt and black top as she wowed the crowd at a brewery in Sydney.

She added a pair of chic retro sunglasses and went barefoot as she made her way down to the sand

She added a pair of chic retro sunglasses and went barefoot as she made her way down to the sand

The pair then indulged in some fresh coconut drinks, sharing a cuddle during the outing

The pair then indulged in some fresh coconut drinks, sharing a cuddle during the outing

The teenager appeared to go makeup free and wore her caramel locks up in a ponytail

The teenager appeared to go makeup free and wore her caramel locks up in a ponytail

Her band’s Instagram page describes the group as a ‘bohemian folk rock duo.’

Mia was earlier seen during an outing with a group of friends in Sydney’s Rose Bay.

She was snapped as she stepped out for a meal at Rose Bay House with her friends.

The Father’s Favourite folk singer shocked onlookers as she was seen smoking during the outing.

Her rock star boyfriend Vanda, the lead singer of band Liquid Zoo, also acted up for the cameras as he was seen wearing shades and swearing as the group laughed.

Mia completed her look with a striped tote bag and a smattering of accessories including a bracelet

Mia completed her look with a striped tote bag and a smattering of accessories including a bracelet

Vanda meanwhile went shirtless and wore blue jeans with a black belt as well as orange lens sunglasses

Vanda meanwhile went shirtless and wore blue jeans with a black belt as well as orange lens sunglasses

The pair stopped for a quick hug after their swim

The pair stopped for a quick hug after their swim

The two applied sunscreen to one another before their dip

The two applied sunscreen to one another before their dip

The couple appeared happy and relaxed as they headed down to the water

The couple appeared happy and relaxed as they headed down to the water

Earlier this month, Mia performed her first gig with her band Father's Favourite

Earlier this month, Mia performed her first gig with her band Father’s Favourite

She looked close with Vanda during the outing as she placed her hand on his back as they walked side-by-side.

The duo were also joined by one of Vanda’s Liquid Zoo bandmates as they all got out of Mia’s car together and headed for a bite to eat.

Mia has been spotted out with Vanda multiple times in recent months, after they were seen heading out for lunch in Surry Hills back in May.

Mia’s parents Lleyton and Bec met on the tennis court for a charity game at the Starlight Cup back in 1999.

The couple didn’t reconnect until a few years later and finally met up in person in 2005, before getting engaged after a whirlwind romance that lasted six weeks.

Grand slam champion Lleyton married actress Bec 18 years ago in a romantic ceremony at the Sydney Opera House.

Mia is the daughter of the tennis pro and Home and Away actress

Mia is the daughter of the tennis pro and Home and Away actress

Her rock star boyfriend Vanda is the lead singer of band Liquid Zoo

Her rock star boyfriend Vanda is the lead singer of band Liquid Zoo

Mia has been spotted out with Vanda multiple times in recent months

Mia has been spotted out with Vanda multiple times in recent months

They were earlier seen heading out for lunch in Surry Hills back in May

They were earlier seen heading out for lunch in Surry Hills back in May

Mia's band's Instagram page describes her group as a 'bohemian folk rock duo'

Mia’s band’s Instagram page describes her group as a ‘bohemian folk rock duo’

As well as singer Mia, they also share another daughter Ava, 12, and son Cruz. 

It was recently claimed that Bec could be planning a return back in front of the cameras years after leaving her role as Hayley Smith Lawson on Home and Away in 2005. 

Mia has recently been spotted partying around Sydney and her newfound ‘rock and roll lifestyle’ puts her in stark contrast to the rest of her family, who are known for their ultra healthy habits.

Her mother Bec, 41, does most of the cooking, and opts for wholesome twists on family favourites.

Speaking to the Sydney Morning Herald last year, Lleyton, 43, said of Bec’s dishes, ‘I love her spaghetti bolognese and she makes a fantastic lentil pasta dish, too.’ 

‘With our son Cruz focused on becoming an athlete, and my athletic past, it’s really important some meals are pasta-focused – you definitely need the carbs when you compete and play hard,’ he added.

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