Austin Mahone & Pia Mia Arrive For Sydney's Jason DeRulo Concert

Pals Pia Mia and Austin Mahone arrive at Sydney Airport on Saturday (November 21) in Australia.

Later in the evening, the duo opened for Jason Derulo at Sydney’s Allphones Arena.

Austin tweeted after the concert, “Sydney was crazy!!!!!! ????????????” Pia added, “Never felt like this before…thank you Australia I love you ?? #doitagain”

PHOTOS: Check out the latest pics of Austin Mahone

Remember last year?! Pia and Austin recorded the song “Fill Me In”, which was a cover of a Craig David song from 2000.

The day before, the duo performed at Melbourne’s Rod Laver Arena and today, they’re performing at the Brisbane Entertainment Centre also in Australia!

15+ pictures inside of Austin Mahone and Pia Mia in Sydney…