The My Idol! emote is an Uncommon Fortnite emote. My Idol! was available via the Item Shop for 200 V-Bucks and you can buy it from Fortnite Item Shop when it will listed.
Fortnite My Idol! Emote Details
...in the presence of a legend.
Fortnite My Idol! Emote PNG Images
Here is the PNG images of My Idol! below!