casual dress tops for women Rutainlusire Womens Clothes under Clothing Fashion O-neck Sleeveless Casual Printed Top T-shirt, Women's, Size: Small, Medium Product information Women's Casual Tops | Nordstrom

Because silk and cashmere

Silhouette:A Line 2.Fabric:Satin&Tulle 3.Embellishment:Ruched 4.Neckline:One Shoulder 5.Sleeve:Sleeveless 6.Waistline:Natural 7.Hem-length:Floor length 8.Back Details:Zipper 9.Fully Lined:Yes 10.Built-In Bra:Yes 11.Boning:Yes 12.Picture Color:Royal Blue

I was at a Swedish skolavslutning (end of school) this spring and the middle aged fathers all had suits with no tie and the eighteen year old students all had suits and tie (and we dont have school uniforms here)

Apart from that, the only colour you might want to avoid is the colour the bridesmaids are wearing, as you might end up looking like a member of the wedding party