Paige Olvera (Olivia Rodrigo) wears this vintage david bowie tee tour 83 in this episode of Bizaardvark, "Paige Was Wrong".
It is the Bowie Tour of '83 Tee. Buy it
HERE for $35.99
Jennette McCurdy wore this Wildfox Vintage Black Never Ending Fun Baggy Beach Jumper with Miranda Cosgrove

You can buy this sweater
HERE from Shop Divine for $108
Miley Cyrus wears these Versace Vintage Floral Skinny Pants with fiance Liam Hemsworth as they arrive at Level 3 at the Hollywood and Highland Center in Hollywood on the 8th of January

Unfortunately they're sold out, They were $695 at Shopbop. You can view the
listing here
Ashley Tisdale wore these CO-OP Barneys New York Vintage Leather Studded Buckle Ankle Boot
Unfortunately they're sold out. They were $330 at Barney's
Demi Lovato wears this Vintage The Cure graphic Oversized fit tee
Unfortunately i couldn't find the exact shirt but i found a similar black one.
You can buy it
HERE from Free People for $218.87