A recurrent theme appeared to be broken on Tuesday afternoon as Mariah Carey made an increasingly rare appearance without her new boyfriend – Australian tycoon James Packer.

The soul diva relaxed aboard billionaire Packer’s sprawling yacht with a group of predominantly male pals throughout her latest appearance off the coast of notorious party island Ibiza.

Mariah, 45, sported a black swimsuit that exposed her already prominent cleavage while sipping what appeared to be a large mug of morning coffee.

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Here she comes: Mariah Carey was seen aboard boyfriend James Packer’s sprawling yacht on Tuesday morning – but the Australian tycoon was nowhere in sight

As temperatures continued to soar on the Balearic holiday hotspot, the singer stayed cool beneath the shade of a large, wide-brimmed hat.

Packer, said to be worth $4.7 billion and ranking as Australia’s fourth richest man, has been holidaying with pals around the Mediterranean.

Mariah and her four-year-old twins, Monroe and Moroccan, are among guests invited on the sea trip.

A busty display: The singer displayed her best assets in a striking black bikini during her latest appearance in Ibiza

Taking it easy: Maria looked relaxed as she idled on the top deck of Packer’s boat, the Arctic P

Not alone: The soul diva relaxed aboard billionaire Packer’s sprawling yacht with a group of pals throughout her latest appearance off the coast of notorious party island Ibiza

Also on board the yacht is American filmmaker Brett Ratner, who was once himself rumoured to be romantically involved with Mariah.

Sources say that Mariah and Packer are enjoying each other’s company so much so that a wedding could be on the cards.

The pop queen is reportedly open to the suggestion of marriage, once she officially divorces rapper, Nick Cannon, the father of her two children.

Thumbs up! Mariah happily gestured to onlookers, as a member of her crew helped her to hold the protective umbrella above her head

Looking cool: As temperatures continued to soar on the Balearic holiday hotspot, the singer stayed cool beneath the shade of a large, wide-brimmed hat

Hot pursuit: Earlier this month, TMZ reported that Sydney-born Packer has been ‘aggressively’ pursuing Mariah for months

That’s better: Mariah, 45, sported a black swimsuit that exposed her already prominent cleavage while sipping what appeared to be a large mug of morning coffee

A source told TMZ: ‘He’s [Packer] already told her he wants to marry her, sooner rather than later.’

But others say the singer is just enjoying being dated.

Earlier this month, the website reported that Sydney-born Packer has been ‘aggressively’ pursuing Mariah for months.

The hitmaker and the Australian casino mogul have also been pals for years, it was reported.

A family affair: Mariah and her four-year-old twins, Monroe and Moroccan (not pictured) are among guests invited on the sea trip

Happy days: Sources say that Mariah and Packer are enjoying each other’s company so much so that a wedding could be on the cards

On the cards: The pop queen is reportedly open to the suggestion of marriage, once she officially divorces rapper, Nick Cannon, the father of her two children

Hidden: Mariah protected herself from the rays, as she peeped from underneath a colourful umbrella

Curly haired: The megastar wore her blonde locks in their natural curls as she kept her bust under wraps in a black bikini top

Refreshing: Mariah held a cup of tea in her hand, as stood in her oversize sun hat and shades looking out onto the waters