Mother Etheridge

2/16/2007 2:01 PM PST BY TMZ STAFF
Rocker/survivor Melissa Etheridge and her partner Tammy Lynn Michaels took their tiny twins, Johnnie Rose and Miller Steven out for a stroll on tony Montana Avenue in Santa Monica on Thursday.

The twins, conceived through an anonymous sperm donor, were born in October. Etheridge has two children with former partner Julie Cypher, who conceived with sperm provided by rock legend David Crosby.