Record 14-time winners Arsenal progressed to another Women's FA Cup semi-final as they beat Charlton, the lowest-ranked side remaining this term.
The part-time, third-tier side battled well defensively before half-time, yet trailed to Kim Little's early penalty.
But Heather O'Reilly, Vivianne Miedema, Danielle Carter and Jordan Nobbs all scored as the top-tier Gunners asserted their authority in the second half.
They will travel to Everton in April's semi-final, after they beat Durham.
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