His Audioslave bandmate Tom Morello, Metallica's James Hetfield & Lars Uhlrich, Dave Navarro also attend private memorial.
Cornell is being laid to rest at a private memorial Friday (May 26) at Hollywood Forever Cemetery. Other mourners spotted at the service included Joe Walsh, Dave Grohl, Jane's Addiction frontman Perry Farrell, actor Josh Brolin and guitarist Tom Morello, who performed with Cornell in the supergroup Audioslave.
Cornell's widow and two youngest children were also seen arriving at the service, which will be followed by a public memorial at 3 p.m. PT.
The 52-year-old rocker's Soundgarden bandmates also arrived for the memorial, as did Jerry Cantrell from Alice in Chains.
Cornell died last week in Detroit after performing a concert.
Fans gathered outside the cemetery's gates Friday with one of them playing Soundgarden music from a portable speaker.