Aussies line up for hours in a heatwave for a burger

We know In-N-out Burger is good but is it line-up-for-hours-in-36-degree-heat good?

Peeps in Sydney seem to think so and Be was down there to capture all the action with a Facebook Live.

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The legendary US burger brand was open for just six hours in Darlinghurst, Sydney on Wednesday and people were happy to line up in the sun while temps climbed over 33 degrees.

Waiters were on hand to pass out sunscreen and bottled water - dressed in their cute In-N-Out outfits and all!

Food items were between $3 and $5 but they sold out around the 2.45pm mark.

Lil Darlin' owner Francesco told us he agreed to do the secret pop up not knowing what brand he was going to be dealing with.

"I only found out who were working with on Friday," Francesco exclusively told Be.

"It wasn't my idea but I'm very happy I followed through on it. In-N-Out Burger are amazing to work with."

Last year punters lined up around the block at Dead Ringer when the fast-food chained last surfaced.

Hurry up and open a permanent store here, guys!