Choose the feeling first.
Decide whether the look should feel playful, polished or dramatic. Use that idea to choose a shape and colour, then compare alternatives on the muse. A single change in the shoes or bag can shift the whole mood.
Finish without overworking it.
Build the outfit around one favourite piece. Keep the other choices in conversation with it: a simple neckline can frame earrings, while a detailed dress may need very little extra. Try both before committing.
Take the idea into a Glam Battle
Open the theme in Glamour Girls and read its current brief and wardrobe requirements. Check the entry shown, style before the clock runs out, and take your finished look to the runway.
The Owambe style picker can help with a colour story. For more occasions, browse the style guides, or experiment freely in Dress Up.