He denies claims by two songwriters - Sami Chokri and Ross O' Donoghue.
Ed Sheeran's been described as an 'obsessive music squirrel' by lawyers at the High Court in the UK.
The singer's back for a second day of evidence as he urges judges to rule he didn't copy parts of his song Shape Of You.
He denies claims by two songwriters - Sami Chokri and Ross O' Donoghue - who say the star ripped off parts of their track Oh Why.