London, Aug 30 (IANS) Singer Hilary Duff volunteered for a charity event helping the homeless in Los Angeles.

The 23-year-old is expecting her first baby with husband Mike Comrie, and the singer along with her sister Haylie wore matching red aprons and handed out supplies to those in need, reports contactmusic.com.

‘Excited to head downtown to the LA mission event today with @HaylieK such a great cause! We will be handing out backpacks (with) school supplies!’ she had posted on Twitter before she headed out.