They remain friends and wish each other the best for the future."Nick, 24, went on to date Olivia Culpo for two years up until 2015 and has since enjoyed rumored flings with Lily Collins and Kate Hudson.
The 24-year-old triple-threat star reunited with his Australian ex-girlfriend at a party and both shared photos from the evening after realizing that they were sporting similar styles.
During their brief relationship, Delta told the Herald Sun: 'I'm really lucky to have such a wonderful person in my life.'I'm in a really happy place right now.
Nick and Delta vowed to 'remain friends' when they decided to mutually end their relationship over five years ago.
They were first romantically linked in May 2011, after the Born To Try hitmaker split from Westlife's Brian Mc Fadden.
Jonas also added, "When you show up in the same outfit..."This isn't the first time Jonas and Goodrem have reunited since their split.
In fact, last month the pair was photographed at the gym together before heading to a nearby restaurant for a bite to eat.
During a visit Down Under back in 2015, Nick told Nova FM he had 'nothing but love' for his ex-girlfriend.