I don't believe it!

I don't believe it!

an expression of amazement and disbelief. Bob: Tom was just elected president of the trade association! Mary: I don't believe it! Bob: They're going to build a Disney World in Moscow. Sally: I don't believe it!
See also: believe

I don’t beˈlieve it!

(spoken) used to say that you are surprised or annoyed about something: I don’t believe it! What are you doing here?
See also: believe