Victoria Justice and Jon Hamm shine in the fashion department at amfAR charity poker event in

Victoria Justice and Jon Hamm were among the high-profile celebrities to lend their support to the organization that's dedicated to the effort of AIDS research, HIV prevention and education.

Justice, 26, stunned in a leggy hot pink mini dress that and added dazzle with a train that hung from the right side.

The one-shoulder number also featured a plunging design that showcased her cleavage and fit figure.

The Florida native also got a lift from a pair of open-toed heels and wore dark brown tresses long, with plenty of sheen and a part to the slight left.

Hamm, 48, looked dashing in a charcoal-pinstripe suit with a white-patterned shirt and dark dress shoes. 

He is best known for his iconic role of Don Draper in the AMC hit drama series Mad Men from 2007-2015. His performance earned him the Golden Globe Award For Best Actor In A Television Series - Drama in 2008 and again in 2016. 

The Missiouri native has also made his mark in film with roles in The Town (2010), Bridesmaids (2011), Baby Driver (2017) and Bad Times At The El Royale (2018).

Justice first gained notoriety on the hit Nickelodeon show Zoey 101 in the early-2000s.       

She played Lola Martinez on the series during its run from 2005 to 2008. 

Her resume also includes the 2018 comedy-drama film Bigger, which was about the life of bodybuilders Joe Weider and Ben Weider, and the 2019 romantic-comedy film Summer Night.

She currently has a recurring role on the dark comedy series Queen America since 2018.