My Best Friend's Tush

S2 E22: Grace (Debra Messing) discovers that one of Karen's (Megan Mullally) friends is the notorious Helena Barnes (guest star Joan Collins, "Dynasty"), one of New York's most-celebrated interior designers, and her primary competition for a lucrative design job. Meanwhile, Jack (Sean Hayes) might regret it when he convinces Will (Eric McCormack) to help him try to obtain financing for his latest venture, The Subway Tush - a portable seat to make subway rides comfy.