( CNN ) -- Miley Cyrus is engaged to her off-and-on boyfriend of three years , `` The Hunger Games '' star Liam Hemsworth , a representative for Hemsworth said on Wednesday . `` I 'm so happy to be engaged and look forward to a life of happiness with Liam , '' the 19-year-old Cyrus told People magazine . Miley Cyrus : Sex is a beautiful , magical thing . The two met when they co-starred in `` The Last Song '' in 2009 . They broke up the next year , then reunited less than a year later . Hemsworth , 22 , proposed on May 31 with a 3.5-carat diamond in 18-karat gold with carved diamond floral motifs in an art nouveau pattern , according to Neil Lane Jewelry in Los Angeles . The center stone dates back to the late 19th century , the store said . 10 most non-traditional celebrity engagement rings . The couple sparked engagement rumors in March after Cyrus was seen wearing a diamond ring on her finger at an Arizona event , but representatives for both denied it . In February , Hemsworth told Details magazine he was smitten with Cyrus . `` She makes me really happy , '' he said . `` When you start ( filming ) , you want to be professional , but when you 're filming those scenes with someone and pretending to love them , you 're not human if you do n't feel something . '' Meanwhile , Cyrus expressed gratitude to her supporters Wednesday on Twitter . `` thank you for all the love today : ) '' she tweeted . `` i 'm happy to share this news with you all . I feel like all my dreams are coming true . '' Cyrus is working on a new album , People reported , and Hemsworth is filming `` Empire State '' in New Orleans . He will also shoot a movie with Harrison Ford and Gary Oldman , called `` Paranoia , '' before working on the next `` Hunger Games '' installment . `` All I ever hoped for as a daddy was to see my kids reach their dreams , '' tweeted her father , country singer Billy Ray Cyrus . `` To find happiness ... peace of mind ... and someday know ... true love . '' Recently engaged celebrities . Cyrus catapulted to international fame after starring in the `` Hannah Montana '' television series on the Disney Channel . She has also launched a recording career , selling out venues worldwide , and has appeared in several movies . Born Destiny Hope Cyrus , she earned the nickname `` Smiley '' as a child , which was shortened to Miley . In 2008 , she legally changed her name to Miley Ray Cyrus . Cyrus has been the subject of controversy . At 15 , she apologized after Vanity Fair magazine published provocative photos of her , saying she was `` so embarrassed . '' At 18 , she acknowledged that smoking a bong filled with the herb salvia was `` a bad decision '' after a video surfaced . And last year , she dealt with fallout after joking that she was a `` stoner . '' Hemsworth , a native of Melbourne , Australia , started acting in high school , according to an Internet Movie Database biography , and followed his brothers Chris and Luke into show business . He was cast last year in `` The Hunger Games , '' which brought him international fame . CNN 's Carolyn Sung contributed to this report .
`` I feel like all my dreams are coming true , '' the singer tweets . People magazine reports the 3.5-carat got engaged three years . Cyrus proposed on May 31 with a two diamond . Cyrus and Liam Hemsworth have been dating off and on for three years .