They announced they were reconciling their romance in 2016, eight years after their shock £25 million divorce settlement.
And Phil Collins, 66, and his ex-wife Orianne Cevey, 44, proved their relationship is continuing to go from strength to strength as they put on an amorous display during rehearsals for the Little Dreamers Foundation Gala at SIR Studios in Miami, Florida, on Saturday.
Joined by their son Nicholas, 16, Orianne looked on proudly as her husband and her son performed for the intimate audience.
The jewellery designer was dressed typically glamorously in a plunging cream dress, which skimmed her slender thighs.
She paired the frock, which was embellished with criss-cross detailing across the hem, with racy knee-high black boots that were adorned with chains.
Orianne finished her look with a plethora of jewellery, rocking a myriad of bracelets on one arm, as well as an elaborate emerald necklace.
Her blonde tresses cascaded around her face in perfectly preened curls, with Orianne making for a very glamorous fixture on casually-clad Phil's arm.
The In The Air Tonight hitmaker was once again relying on the aid of a walking stick and has previously said he had suffered dislocated vertebra, nerve damage and foot fractures.
Phil said his injuries where so severe he worried he would never be able to play the drums, his signature instrument, on tour again.
His significant other also suffered a terrible back trauma during surgery back in December of 2014, leaving her temporarily paralyzed and relying on the use of her own walking stick.
The foundation - which was created by Phil and Orianne - aims to fulfill the dreams of young aspiring talents without financial means to achieve their goals.
Orianne was just 21 when she met Phil in 1994 during his tour of Switzerland.
Phil was in the midst of a bitter split from his second wife Jill – mother of actress Lily Collins – and fell head over heels in love with Orianne, who had been hired as his translator.
Orianne married the In The Air Tonight singer in 1999, but they split nine years later following the birth of their two sons Nicholas and Matthew, 13.
The In The Air Tonight singer, who is worth an estimated £200m, paid Orianne £25million ($46.76million) in the split - which marked the largest settlement in a British celebrity divorce at the time.
In January 2016 however, the pair announced they had once again reunited and were living together in Miami with their two boys.
He confirmed the news to Billboard, declaring: "I'm back with my third wife - I haven't really talked about it. We've been together for a while, and nobody's noticed."
Meanhile Orianne went on to explain to Swiss newspaper SonntagsBlick shortly after rekindling their romance: "Our separation was the wrong decision."
© Daily News, by Kayleigh Giles
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