In 2015, Chambers joined Williams on the road for the "Let Me Entertain You Tour". The tour began in Spain and travelled through Europe and Asia, reaching Australia in October. They also played at various festivals throughout the summer. In 2016, Williams and Chambers collaborated on "The Heavy Entertainment Show" which preceded The Heavy Entertainment Show Tour, and in 2019, they collaborated once again on "The Christmas Present". Chambers co-wrote and produced tracks off "Under the Radar Volume 1, 2 and 3" comprising demos, B-sides and rarities.