The dresses, the tiaras, the hair styles – and we have been loving your comments on the photos from our archives.
This week, it’s the turn of the former Coleraine High School and their 2009 school formal.
See if you recognise anyone...

1. RETRO
These girls were pictured enjoying the Coleraine High School 5th form formal at the Royal Court Hotel in 2009 Photo: NI WORLD

2. RETRO
Victoria Logan-Hayes and Clive McIlreavy pictured during the Coleraine High School 5th form formal at the Royal Court Hotel in 2009. Photo: NI WORLD

3. RETRO
Amy, Adam, Johnny and Kirsty pictured during the Coleraine High School 5th form formal at the Royal Court Hotel in 2009. Photo: NI WORLD

4. RETRO
Paul Mullan, Nicole Gibson, Lauren McKinney and Anton McLaughlin pictured during the Coleraine High School 5th form formal at the Royal Court Hotel in 2009. Photo: NI WORLD