Celebrities love taking part in one of the most popular hashtags, #ThrowbackThursday/#TBT. Here are some posts you might've missed from this week:
1. Sarah Hyland
"#tbt to our first Photoshoot together. Back in the day!!!! We were babies @haileesteinfeld and now you're 18. WHAT?!? Stop growing up. It's weird. Hahaha I love you girly. So proud of everything you're doing. HAPPY BIRTHDAY!!!!"