1. Keiynan Lonsdale @keiynanlonsdale / Via instagram.com, 20th Century Fox Highlights: 2018 was a huge year for Keiynan. He continued to appear as Wally West/Kid Flash in Legends of Tomorrow and played Bram in Love, Simon, which helped him come to terms with his own sexuality. He also released two killer songs, "Kiss The Boy" and "Preach", and will next appear as a guest judge on RuPaul's Drag Race. 2. Nicole Kidman @nicolekidman / Via instagram.com, Annapurna Pictures Highlights: Nicole Kidman keeps getting better and better every single year. In 2018 she bagged a Golden Globe and SAG award for her performance in Big Little Lies. She also delivered two powerful acceptance speeches that touched on ageism in Hollywood, as well as the importance of her character in propelling sexual assault conversations. Let's not forget she appeared in three other movies, Destroyer, Boy Erased and Aquaman, and won an AACTA for Best Supporting Actress. 3. Katherine Langford @katherinelangford / Via instagram.com, Netflix Highlights: Katherine had a number of strong performances this year. She reprised the role of Hannah Baker in 13 Reasons Why and appeared in The Misguided and Love, Simon. 2019 is set to be a busy one with Katherine's next projects including Spontaneous, Avengers: Endgame, Knives Out and Cursed. 4. Jacob Elordi Phillip Faraone / Getty Images, Netflix Highlights: Jacob achieved massive success this year by starring as Noah Flynn in the hugely popular Netflix movie The Kissing Booth. He's slated to appear in The Mortuary Collection, 2 Hearts and Euphoria next. 5. Danielle Macdonald Rich Fury / Getty Images, Netflix Highlights: Danielle continued to make her mark on Hollywood this year by appearing alongside Jennifer Aniston in Dumplin'. She also appeared in Skin and Bird Box, which will drop on Netflix in late December, and Paradise Hills which will be released next year. 6. Cody Fern Frazer Harrison / Getty Images, FX Highlights: Cody's critically acclaimed performances in The Assassination of Gianni Versace, American Horror Story: Apocalypse and House of Cards have well and truly cemented his place in Hollywood. There's no word yet on what he's up to next but he's definitely one to look out for. 7. Margot Robbie Chris J Ratcliffe / Getty Images, Universal Pictures Highlights: Margot kept busy this year with roles in Peter Rabbit, Terminal, Slaughterhouse Rules and Mary Queen of Scots. She also has a huge bank of projects lined up for 2019 as well, including The Lego Movie 2 and Once Upon A Time In Hollywood. 8. Chris Pang @pangeerz / Via instagram.com, Warner Bros Highlights: After Chris's brilliant performance in Crazy Rich Asians as Colin Khoo, he'll next be appearing in Underdogs Rising and Charlie's Angels. He also starred and produced an independent film called Empty By Design. 9. Chris Hemsworth @chrishemsworth / Via instagram.com, 20th Century Fox Highlights: Alongside a star-studded cast, Chris appeared as the much-loved Thor in Avengers: Infinity War. He also had roles in 12 Strong, Bad Times At El Royale and appeared in this hilarious Crocodile Dundee-inspired ad at the Super Bowl. You'll catch him next in Avengers: Endgame and Men In Black International. 10. Ruby Rose @rubyrose / Via instagram.com, The CW Highlights: Earlier this year it was announced that Ruby had landed the HUGE role of Batwoman. This led to guest roles on The Flash, Arrow and Supergirl, and the potential for a standalone Batwoman series. She also co-starred in The Meg and will appear in John Wick 3 next year. 11. Angourie Rice Nicholas Hunt / Getty Images, Sony Pictures Highlights: Following her success last year, Angourie appeared in Every Day and Ladies in Black, which earned her an AACTA award for Best Lead Actress. Her next role will be in Spider-Man: Far From Home. 12. Joel Edgerton Kevin Winter / Getty Images, Focus Features Highlights: Joel's had a huge year with Red Sparrow, Gringo and Boy Erased, which he also wrote, produced and directed. His next big project will be The King. 13. Dichen Lachman @dichenlachman / Via instagram.com, Netflix Highlights: Dichen absolutely killed it with her performances in Altered Carbon and Animal Kingdom. 14. Elizabeth Debicki Dimitrios Kambouris / Getty Images, Netflix Highlights: Elizabeth has been a standout in Hollywood this year. She's appeared in The Cloverfield Paradox, Peter Rabbit, The Tale, Vita and Virginia and Widows, where she delivered an impressive performance. 15. Remy Hii @remyhii / Via instagram.com, Warner Bros Highlights: 2018 has been a big year for Remy. He played Alistair Cheng in the smash hit Crazy Rich Asians and appeared in Harrow as Simon Van Reyk. His next big role will be in Spider-Man: Far From Home. 16. Ben Mendelsohn Noam Galai / Getty Images, Warner Bros Pictures Highlights: Following on from his success last year, Ben had roles in Ready Player One, Untogether, The Land of Steady Habits and Robin Hood. And if that wasn't enough, Ben already has three blockbuster films lined up for 2019: Captain Marvel, The King and Spies In Disguise. 17. Yvonne Strahovski Frazer Harrison / Getty Images, Hulu Highlights: Yvonne delivered a scene-stealing performance as Serena in The Handmaid's Tale, which earned her both an Emmy and Golden Globe Nomination. Oh, and let's not forget she did this all while she was pregnant. 18. Cate Blanchett Jeff Spicer / Getty Images, Warner Bros Highlights: Just like Nicole, Cate continues to deliver bigger and better performances every year. In 2018 she appeared in Ocean's 8, The House With A Clock In Its Walls and Mowgli: Legend of the Jungle. She also found time to be the President of the Jury for the Cannes Film Festival this year. What a queen. 19. Troye Sivan @troyesivan / Via instagram.com, Focus Features Highlights: Besides releasing Bloom this year, Troye lent his talents to a number of Hollywood movies. He was featured on the Love, Simon soundtrack with "Strawberries and Cigarettes", which earned him a Satellite Award nomination. And for Boy Erased, he not only had a supporting role but his song "Revelation" has been nominated for a Golden Globe. 20. Yael Stone @yaelstone / Via instagram.com, Netflix Highlights: Yael reprised her role in the latest season of Orange is the New Black and starred in High Maintenance and Picnic at Hanging Rock. And of course she did all this while being pregnant, which makes her all her achievements even more amazing. 21. Ronny Chieng @ronnychieng / Via instagram.com, Warner Bros Highlights: In 2018 Ronny made his American film debut in Crazy Rich Asians as Eddie Cheng.