Young's first showbiz break was through the second season of the talent reality search, StarStruck, wherein she placed in the top six. Her first acting job in GMA was in Love to Love Presents: Love Ko Urok wherein she played the role of Meg. She then played the role of Anna in Asian Treasures and the role of a fairy in Mga Kuwento ni Lola Basyang.
After more than two years with GMA Artist Center, she moved to ABS-CBN following her sister, Lauren Young. She is the first StarStruck alumna to transfer to GMA's rival station, ABS-CBN. Young first appeared in ABS-CBN in the youth oriented show "Star Magic Presents" Astigs and Abt Ur Luv. She also played the role of Shane in Kokey, opposite Zanjoe Marudo. She became well known when she appeared as one of the celebrity housemates in ', dubbed as "The Princess of Charm". After PBB, she portrayed the villain Marcela in ABS-CBN's remake of I LoveBetty La Fea opposite John Lloyd Cruz. In 2009, she was one of four personalities introduced as video jockeys for the relaunching of Channel V Philippines|Channel Philippines. Young also became an occasional host in several shows in Studio 23. In 2012, Young had her big break as a lead actress in Hiyas, reuniting with Zanjoe Marudo as her love interest. In 2013, she appeared in TV5's dramas Never Say Goodbye and Misibis Bay. Aside from television, Young has also starred in a few films, one of which was The Reunion, where she played Toyang, opposite Xian Lim. Young was nominated as Outstanding Guest Star''' on Dahsyatnya Awards 2014.
2015–present: Return to GMA Network
In March 2015, Megan Young returned to GMA Network after four years of exclusive contract with ABS-CBN. Her comeback project in the Kapuso Network is the most anticipated second adaptation of the hit Mexicanovela MariMar where she plays the title role. She is paired with Tom Rodriguez who plays the role of her love interest Sergio. Her sister Lauren Young is also part of the show and plays the role of MariMar's main antagonist Antonia. This marks their second project together after. Megan is also one of the hosts in the sixth edition of the reality talent search Starstruck which launched her career as an artist. She's working alongside Dingdong Dantes as main host, and her co-Starstruck alumni Mark Herras, Rocco Nacino, Miguel Tanfelix, and Kris Bernal, who serve as journey hosts. The show premiered on September 7, 2015.
She was named Miss World Philippines 2013 during the pageant coronation night on August 18, 2013.
Miss World 2013
Young was crowned as Miss World 2013 in Bali, Indonesia, making her the first Filipina to win the title of Miss World since its creation in 1951. During the preliminaries, she also won the "Top Model" competition, placed second in the "People's Champion," placed fourth in the "Multimedia Challenge" and fifth in the "Beach Beauty" contest. In the final question and answer portion, the contestants in the Top 6 were asked the same question: "Why should you be the next Miss World?" and Young replied:
Young also received the Continental Queen of Beauty title as Miss World Asia 2013, the highest ranked contestant in the Asian region and was featured in the Dances of the World segment of the final show.
Personal life
Young is the elder sister of actress Lauren Young. In February 2017, Mikael Daez confirmed that he had been dating Young for six years, and the revelation was made after so long due to work commitments. On 24 January 2020, they announced their marriage.