Singer Miley Cyrus looked like a goddess on Sunday when she attended the fifth Annual CNN Heroes: All Star Tribute at L.A.'s Shrine Auditorium with her handsome boyfriend, Liam Hemsworth.

According to the Los Angeles Times, the yellow dress Cyrus wore was a Roberto Cavalli gown. It had a plunging neckline that accentuated her toned figure. She had a gorgeous hairdo that consisted of a simple side braid.

Her arm candy, Hemsworth, wore a black suit and a tie.

Robin Lim was named Hero of the Year for her work helping thousands of poor Indonesian women have a healthy pregnancy and birth, according to CNN.

Every baby's first breath on Earth could be one of peace and love. Every mother should be healthy and strong. Every birth could be safe and loving. But our world is not there yet, Lim said during CNN Heroes: An All-Star Tribute.

CNN said the Hero of the Year was chosen by the public after an 11-week vote on

Lim will get $250,000 for her cause becuase she was came out on top. That money will be added to the $50,000 that she and the other top 10 Heroes each received for making teh cut, CNN reported.

It was a star-studded red carpet for the event with the likes of Chris Colfer, Ice Cube,; Laura Dern, Mary-Louise Parker and Sofia Vergara to name a few.

Start the slideshow to see the cute couple and other celebrities who attended the event.