'One of the most special nights of my life and so much love': Alli Simpson stuns in a plunging blue wrap dress as she celebrates her 21st birthday... with brother Cody jetting Down Under from the US for the party By Chloe-lee Longhetti For Daily Mail Australia Published: 07:30 BST, 8 May 2019 | Updated: 07:30 BST, 8 May 2019 Viewcomments Australian singer Alli Simpson celebrated her 21st birthday in style this week. The bubbly blonde stunned in a blue Zimmermann dress on the night, which was held at Alfred's Diner on Mermaid Beach, in Queensland. Taking to Instagram on Wednesday, Alli gushed about her friends and family and revealed that brother Cody Simpson, 22, jetted in from his base in Los Angeles to celebrate. Party time! Alli Simpson stunned in a plunging blue wrap dress as she celebrated her 21st birthday this week On the night, she stunned in a plunging silk minidress. She showed off a soft golden tan and had her hair pulled back off her face into a high pony tail. She teamed the look with gold cross earrings and simple gold heels. Close: Taking to Instagram on Wednesday, Alli gushed about her friends and family and revealed that brother Cody Simpson, 22, (L) jetted in from his base in Los Angeles to celebrate Her makeup included dewy foundation, lashings of mascara and a bright pink lip. 'One of the most special nights of my life... so much love,' Ali wrote online. Sharing a snap of herself with Cody, Alli wrote: 'Sad you had to fly back to LA so soon but means the world you flew out for my 21st.' She added: 'Love you more than life.' Alli also shared a snap of herself with brothers Cody and youngest sibling Tom, writing: 'My brothers or my best friends?' Family! Alli also shared a snap of herself with brothers Cody and youngest sibling Tom, writing: 'My brothers or my best friends?' As she marked her birthday on April 24, Alli shared a snap of herself laying on a bed and holding a glass of wine. 'Today I turn 21!!! can't believe I made it,' she wrote on Instagram. 'Now I can drink all around the globe, not that I wasn't already... but you know... (legally). I adore everyone in my world that has shaped me into the woman I am today.' She finished: 'Feeling strong and happy!! cheeky from day one!! LOVE ALL YOU BABES x.' 'Now I can drink all around the globe, not that I wasn't already, but you know': As she marked her birthday on April 24, Alli shared a snap of herself laying on a bed and holding a glass of wine Share or comment on this article: All rights reserved for this news site dailymail and under his responsibility