Christopher Meloni has joked about kissing just days after a Law & Order: Special Victims Unit promo teased him finally smooching longtime co-star Mariska Hargitay.The 61-year-old actor took to Twitter on Tuesday as he seemingly played coy about the very highly-anticipated amorous scene between his character Eliot Stabler and Hargitay's Olivia Benson.It all began when someone asked the star how he met the 59-year-old actress whom he has starred alongside on the NBC series on/off since 1999. Getting steamy: Christopher Meloni has joked about kissing just days after a Law & Order: Special Victims Unit promo teased him finally smooching longtime co-star Mariska HargitayMeloni replied: 'I’m glad you asked.