Jennifer Lopez, 54, takes RACY selfies of her famous posterior while rocking a plunging white swimsuit during vacation in Italy without husband Ben Affleck – as divorce rumors ramp up

While enjoying her trip to Positano as her spouse, 51, remained home in Los Angeles, the 54-year-old superstar appeared to be having the time of her life as she cruised around the the west side of the Amalfi Coast on a speed boat.

An eyewitness told DailyMail.com that the Let’s Get Loud hitmaker appeared in ‘great spirits’ as she let loose with friends and could be seen dancing and having fun on the boat.

In addition to taking in the stunning scenery around her, the mother-of-two, who shares her 16-year-old twins Max and Emme with ex-husband Marc Anthony, posed for selfies from various angles and even snapped a few of her famous derrière.

It’s unknown who she was sending her flirty snaps to, but over the years, Affleck has been fond of boating with Lopez, and, memorably, recreated an iconic scene from her 2002 Jenny From the Block music video on a $130M dollar mega yacht as they vacationed together in Saint Tropez for her 52nd birthday after they first rekindled.

The Atlas actress exuded confidence as she the stern of the boat in her sexy bathing suit and a pair of open-toed high heels as pals rushed to capture the moment of her relaxing at sea

Before stripping down to her swimsuit, she wore a brown romper, which she later tucked into a Christian Dior tote bag

She continued: ‘I think there’s a positive correlation between exercise and mental health.’

Lopez went on to say that she believes that once ‘you find a good balance through determination and focus’ you’re able to to ‘be the best version of’ yourself.

Lopez claimed that she gets moving ‘first thing in the morning’ – which is often before 5 am when it is still dark – no matter what her ‘busy schedule’ has in store.

‘I try to make good choices and balance my time,’ she added to the site.

And she mixes up her workout moves.

‘I’m always evolving and looking for things that keep me excited and motivated,’ she explained.

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‘I’m not afraid to challenge myself, so I’m open to pushing myself, which is what I’m doing right now as I rehearse for my new album, [This Is Me… Now].’

J-Lo was seen adjusting her hair  from a bun to a ponytail