It's impolite to upstage the bride.
Piper, a fashionista, has been invited to her sister's wedding that is being held in their parents' backyard.
Piper wants to wear the perfect dress to her sister's wedding.
Piper wears a knee length floral dress that matches her sister's wedding colors.
Piper wears a strapless red gown with a train and crystal embellishments.
The wedding guests think Piper is a good sister who is there to be supportive on her sister's day.
The wedding guests all stare at Piper because she is overdressed, and they gossip about her being an attention-hog.