Zoe Saldana refers to Britney Spears as 'one big celebrity' who was 'humble' when she started working in Hollywood

London: 'Guardians of Galaxy' star Zoe Saldana says she has a huge amount of respect for pop star Britney Spears and her positivity.

The 36-year-old actress, who starred with Spears, 32, in the 2002 film 'Crossroads', said she is extremely humble despite her celebrity status, reported Contactmusic.

"She was the one big, big celebrity that I met when I was starting to work in Hollywood who literally was humble. I do believe that people and children gravitate to good energy, and she's definitely an abundance of that," she said.