The UK is very expensive for Americans right now. If you live in MN, you might try to go to one of Cassandra Shore's events, which include vendors. Dahlal is a good friend of hers and she or one of her reps is usually there.
The Southall neighborhood is the "little India" of London. The movie
Bend it Like Beckham was partially filmed there. If you like beautiful textiles, they have sari shops up the wazoo. If you are creative, there are lots of costume possibilities with saris.
Southall.co.uk