Complex sentence: Reeves scored five Top 40 singles in the UK Singles Chart, was nominated for a BRIT Award and performed as support act for many singers which include Whitney Houston on her "European Tour" in 1998.
Split into simpler sentences: Reeves scored five Top 40 singles in the UK Singles Chart, was nominated for a BRIT Award. He performed as support act for many singers, including Whitney Houston on her European tour in 1998.