Guy Sebastian added some star power as he attended the launch of the Four Hundred Bar and Kitchen in Sydney on Thursday night.
The Australian singer, 42, cut a dapper figure in a black button-down shirt, matching trousers, and shoes with a shiny finish.
The night hit a high note with a toast by group co-owner Nick Wills followed by a spectacular pouring of the margarita tower by Guy.
The event was also attended by a bevy of reality stars including FBoy Island winners Nick Brown and his glamorous girlfriend Molly O’Halloran.
Nick dressed in a maroon patterned button-down shirt and black jeans which he teamed up with a pair of white sneakers.
![Guy Sebastian, looking sharp, leads celebrity arrivals as he enjoys cocktails at the launch of Four Hundred Bar in Sydney. 2 Guy Sebastian (pictured) added some star power as he attended the launch of the Four Hundred Bar and Kitchen in Sydney on Thursday night](https://i.dailymail.co.uk/1s/2023/11/12/08/77701609-12739731-image-a-8_1699779350149.jpg)
Guy Sebastian (pictured) added some star power as he attended the launch of the Four Hundred Bar and Kitchen in Sydney on Thursday night
![Guy Sebastian, looking sharp, leads celebrity arrivals as he enjoys cocktails at the launch of Four Hundred Bar in Sydney. 4 The event was also attended by a bevy of reality stars including FBoy Island winners Nick Brown and his glamorous girlfriend Molly O'Halloran (pictured)](https://i.dailymail.co.uk/1s/2023/11/12/08/77701613-12739731-image-a-10_1699779386637.jpg)
The event was also attended by a bevy of reality stars including FBoy Island winners Nick Brown and his glamorous girlfriend Molly O’Halloran (pictured)
Molly meanwhile looked stylish in a brown dress with cut-out details that showed off hints of skin.
She accessorised with strappy heels that matched the dress in colour and opted for a bronzed makeup look.
Married At First Sight’s Cody Bromley, Singer Tom Jay Williams and influencer Suzan Mutesi were also in attendance.
![Guy Sebastian, looking sharp, leads celebrity arrivals as he enjoys cocktails at the launch of Four Hundred Bar in Sydney. 6 The Australian singer, 42, cut a dapper figure in a black button-down shirt, matching trousers, and shoes with a shiny finish](https://i.dailymail.co.uk/1s/2023/11/12/08/77701599-12739731-The_Australian_singer_42_cut_a_dapper_figure_in_a_black_button_d-m-12_1699779421335.jpg)
The Australian singer, 42, cut a dapper figure in a black button-down shirt, matching trousers, and shoes with a shiny finish
![Guy Sebastian, looking sharp, leads celebrity arrivals as he enjoys cocktails at the launch of Four Hundred Bar in Sydney. 8 The night hit a high note with a toast by group co-owner Nick Wills followed by a spectacular pouring of the margarita tower by Guy](https://i.dailymail.co.uk/1s/2023/11/12/08/77701597-12739731-image-a-13_1699779544479.jpg)
The night hit a high note with a toast by group co-owner Nick Wills followed by a spectacular pouring of the margarita tower by Guy
![Guy Sebastian, looking sharp, leads celebrity arrivals as he enjoys cocktails at the launch of Four Hundred Bar in Sydney. 10 It was a cocktail lover's paradise with Sesión margaritas and espresso martinis keeping spirits high, while the DJ's beats had everyone moving 'til the wee hours](https://i.dailymail.co.uk/1s/2023/11/12/09/77701605-12739731-image-a-16_1699779948103.jpg)
It was a cocktail lover’s paradise with Sesión margaritas and espresso martinis keeping spirits high, while the DJ’s beats had everyone moving ’til the wee hours
Also in attendance were former Block stars Mitch Edwards and Mark McKie.
Guests were transported attendees to the beaches of Tulum, thanks to a bash that turned up the heat with a sizzling South-American feast straight off the restaurant’s hot menu.
It was a cocktail lover’s paradise with Sesión margaritas and espresso martinis keeping spirits high, while the DJ’s beats had everyone moving ’til the wee hours.
![Guy Sebastian, looking sharp, leads celebrity arrivals as he enjoys cocktails at the launch of Four Hundred Bar in Sydney. 12 Nick dressed in a maroon patterned button-down shirt and black jeans which he teamed up with a pair of white sneakers](https://i.dailymail.co.uk/1s/2023/11/12/08/77701595-12739731-image-a-14_1699779563088.jpg)
Nick dressed in a maroon patterned button-down shirt and black jeans which he teamed up with a pair of white sneakers