Denise Richards obsessed with ashtrays

London: Actress Denise Richards is "obsessed" with collecting vintage ashtrays despite the fact that she does not smoke. The 41-year-old, who has daughters Sam, eight, and Lola, seven, from her marriage to Charlie Sheen, and a third girl Eloise, who she adopted in June 2011, loves cigarette paraphernalia, reports contactmusic.com. "I don`t know why but I`m obsessed with buying vintage ashtrays ... I don`t even smoke," she tweeted. IANS