Miley Cyrus and Liam: Locked in love

Actress Miley Cyrus poses at the premiere of "The Hunger Games" at Nokia theatre in Los Angeles, California. The movie opens in the U.S. on March 23. (REUTERS)

Actress Miley Cyrus poses at the premiere of "The Hunger Games" at Nokia theatre in Los Angeles, California. The movie opens in the U.S. on March 23. (REUTERS)

Cast member Liam Hemsworth poses with actress Miley Cyrus at the premiere of "The Hunger Games" at Nokia theatre in Los Angeles, California. The movie opens in the U.S. on March 23. (REUTERS)

Liam posed at the premiere with the film's other leads, Josh Hutcherson and Jennifer Lawrence. (GETTY/GALLO)

Actor Liam Hemsworth (L) and singer Miley Cyrus arrive at the premiere of Lionsgate's "The Hunger Games" at Nokia Theatre L.A. Live in Los Angeles, California. (AFP)

Actress Miley Cyrus poses at the premiere of "The Hunger Games" at Nokia theatre in Los Angeles, California. The movie opens in the U.S. on March 23. (REUTERS)

Cast member Liam Hemsworth poses with actress Miley Cyrus at the premiere of "The Hunger Games" at Nokia theatre in Los Angeles, California. The movie opens in the U.S. on March 23. (REUTERS)

Miley Cyrus, left, and Liam Hemsworth arrive at the world premiere of "The Hunger Games" in Los Angeles. (AP)

Miley Cyrus arriaves at the world premiere of "The Hunger Games" in Los Angeles. (AP)