Stephen and Phil are brothers who are best known for their work as the FOSTERS. They are a musical duo from the United Kingdom who have been performing together since the early 2000s. Their music is a mix of folk, rock, and pop, and they have released several albums and singles. They have also toured extensively throughout Europe and the United States. The FOSTERS have been nominated for several awards and have won several accolades, including a Brit Award for Best British Group in 2017.