jump on the bandwagon
US /dʒʌmp ɑn ðə ˈbændˌwæɡən/
UK /dʒʌmp ɑn ðə ˈbændˌwæɡən/

1.
pegar carona, entrar na onda, seguir a moda
to join a popular activity or trend, often for personal gain or because it is fashionable, rather than out of genuine interest or belief
:
•
Many companies are jumping on the bandwagon of eco-friendly products to attract more customers.
Muitas empresas estão pegando carona na onda de produtos ecologicamente corretos para atrair mais clientes.
•
He didn't really care about the cause, he just jumped on the bandwagon because it was popular.
Ele não se importava realmente com a causa, ele apenas pegou carona porque era popular.