bandwagon

n.	1.	A popular trend that attracts growing support.
	2.	A large ornate wagon for carrying a musical band.

Noun	1.	bandwagon - a popular trend that attracts growing support; "when they saw how things were going everybody jumped on the bandwagon"
	2.	bandwagon - a large ornate wagon for carrying a musical band; "the gaudy bandwagon led the circus parade"

style, trend, vogue