Naomi Campbell`s 44th Birthday bash in Monaco

With her flawless complexion and taut figure, Naomi Campbell never seems to look a day over 30.

The evergreen supermodel - who turned 44 Thursday - took the plunge in both Versace and Givenchy gowns for her birthday bash in Monaco Friday night.

The British beauty - who boosts her 32B bust with tape - looked stunning in the citron Versace halter dress, which featured a sexy thigh-revealing slit.

She doesn't age! Supermodel Naomi Campbell - who turned 44 Thursday - took the plunge in both Versace and Givenchy gowns for her birthday bash in Monaco Friday night

Birthday girl: Naomi later changed into a colourful, sequin-fringed Givenchy gown, which revealed a glimpse of her belly button

While partying at the Billionaire Sunset Lounge Monte Carlo, Naomi reunited with her ex-fiancé Flavio Briatore, now married to Elisabetta Gregoraci.

The recovering cocaine addict - who went to rehab in 1999 - has said: 'The best parties are the ones I do'

The legendary catwalker split with the 64-year-old Italian businessman in 2003, and she now considers him her 'mentor.'

Campbell may have never married, but she's romanced Oscar winner Robert De Niro, boxer Mike Tyson, and U2 bassist Adam Clayton.

He's now her 'mentor': While partying at the Billionaire Sunset Lounge Monte Carlo, Naomi reunited with her ex-fiancé Flavio Briatore, now married to Elisabetta Gregoraci (L) 

Affectionate: The birthday girl also wrapped her arms around 20-year-old socialite Peter Brant Jr.

The birthday girl also wrapped her arms around 20-year-old socialite Peter Brant Jr. and 23-year-old model Jourdan Dunn.

Naomi later changed into a colourful, sequin-fringed Givenchy gown, which revealed a glimpse of her belly button.

'The best parties are the ones I do,' the recovering cocaine addict - who went to rehab in 1999 - told Heat Magazine last November.

Adoring entourage: Cell phone cameras flashed as Campbell clasped hands with hotelier André Balazs before Givenchy's Riccardo Tisci (M) and W Magazine's Edward Enninful (wearing glasses)

Double take: The Queen of Burlesque later posed in her fur-lined, beaded dress between Dean & Dan Caten, the identical twin designers behind DSQUARED2

'I like to have a good old dance. I was in Ibiza this summer for two weeks and I loved it. Dancing is great exercise, by the way. I put on my sneakers, a T-shirt, shorts and dance - I love it! Nothing better, apart from yoga. I do yoga every day to be calm. I went to India to learn.'

Cell phone cameras flashed as Campbell clasped hands with hotelier André Balazs before Givenchy's Riccardo Tisci and W Magazine's Edward Enninful.

Naomi also headed behind the decks to greet DJ Ruckus, who provided the party with hip-hop, house, and reggae selections.

Throwing shade? Austrian singer Denise Rich shared a feisty laugh with presenter Star Jones as two women whispered in the background

Also celebrating were Dita Von Teese in yellow, Lady Victoria Hervey in orange, and the English model in a sheer black jumpsuit.

The 41-year-old pin-up - born Heather Sweet - goofed around with one of Campbell's birthday balloons.

The top terrace of the Hotel Fairmont was littered with the letter-shaped party decorations, which spelled 'Happy birthday, Naomi.'

Recognize The Face? The hot-tempered diva's likeness was literally all over the late-night soiree, perhaps leftover props from her modeling competition The Face

Hey Mr. DJ! Naomi also headed behind the decks to greet DJ Ruckus, who provided the party with hip-hop, house, and reggae selections

The Queen of Burlesque later posed in her fur-lined, beaded dress between Dean & Dan Caten, the identical twin designers behind DSQUARED2.

Other partygoers included model Chanel Iman in a plunging white dress and Hollywood hunk Kellan Lutz with swimwear designer Melissa Odabash.

Austrian singer Denise Rich shared a feisty laugh with presenter Star Jones as two women whispered in the background.

Coaching with Anne and Lydia: However, it's still unclear whether or not Campbell will coach the Canadian and French spinoffs - both set to premiere later this year

Topshop heiress Chloe Green and Miss Universe Great Britain 2013 Amy Willerton both paraded their pins at the posh party.

The hot-tempered diva's likeness was literally all over the late-night soiree, perhaps leftover props from her modeling competition The Face.

Naomi just concluded both the US and Australian versions of the reality series - crowning Tiana Zarlin and Olivia Donaldson, respectively.

However, it's still unclear whether or not Campbell will coach the Canadian and French spinoffs - both set to premiere later this year.