Billie Eilish has well and truly arrived in Sydney ... stepped off a private jet at Sydney Airport while donning a white graphic t-shirt with a pair of breasts printed on the front.

Aesthetics-wise, it doesn't get more different than Ariana Grande and Billie Eilish. The latter ... her own spin on the classic look, wearing a striped dress shirt and vintage maroon neck tie ...

When mum Melanie Dale arrived at the Billie Eilish concert on Saturday, she had no idea she was about to have the ...

And just because she was wearing a Chicago Bulls singlet ... "Sloan was so uncomfortable, I bought her a Billie merch shirt to change into. "It wasn't until we go home that I really processed ...

Billie Eilish arrived in Sydney with a ... The US megastar made a bold fashion statement wearing a bare-breasted T-shirt paired with long necklace and glasses. The 23-year-old will perform at ...