A pink skirt is one of several skirts available to free players. It is used in the quest Prince Ali Rescue as part of the disguise Prince Ali wears in order to impersonate Lady Keli and escape from prison. The Rowdy Dwarf may ask for this item in the quest Forgettable Tale in return for a Kelda seed.
Skirt, Old School RuneScape Wiki
Pink skirt, Old School RuneScape Wiki
Thessalia's Fine Clothes. - OSRS Wiki
Pink elegant skirt - OSRS Wiki
Purple elegant skirt - OSRS Wiki
Pink headband - OSRS Wiki
Shirt (lilac) - OSRS Wiki
Fancy Clothes Store - OSRS Wiki
F2P OSRS Wiki
White elegant skirt, Old School RuneScape Wiki
What Is the Backstory Behind Why This Is There? : r/2007scape
Beach Kit - OSRS Wiki
Gabooty's Tai Bwo Wannai Cooperative. - OSRS Wiki