Como dizer "Está na moda de novo, Voltou a ser moda" em inglês

JORILANE,

Please, try to do your researches on the forum and present your answers next time.
Do not be afraid to break your leg!

Cf.: How can I say "está virando moda" in English?

1) To be in fashion
>> estar na moda.

A) Esta roupa está na moda de novo.
>> These clothes are in fashion again.

B) Botas longas estão na moda de novo.
>> Knee high boots are in fashion again.

2) To be back in fashion
To be back in style
To come back in(to) style
>> voltar a ser moda.
>> voltar à moda.

A) Este corte de cabelo voltou a ser moda.
>> This haircut was back in fashion.

B) Este estilo musical está na moda outra vez.
>> This music genre is back in style again.

Complementando a ótima resposta do Ricardo, temos também.

Be fashionable again

Exemplos de uso:

• Suddenly, the place is fashionable again. [De repente, o lugar está na moda de novo. / De repente, o lugar voltou a ser moda.]
• The color is fashionable again. [A cor está na moda de novo. / A cor voltou a ser moda.]

That's it for now!

One more sentence:

Those who just doesn´t follow the fad and continued using bell bottoms are trendy now, bell-bottoms jeans [1]/flare jeans are fashionable again. wait, wait, it faded away!
[1]bell-bottom pants/flare pants