Formula for red flag if 3 conditions are met

Formula to use red flag if : Is Milestone is checked, the Planned End Date is today or in the past, and Done is not checked

Tried the below but its not working

=IF(AND([Is Milestone]:[Is Milestone], 1, [Planned End Date]:[Planned End Date], @cell >= TODAY(), Done:Done, 1), 1, 0)