Christie Brinkley

'Parks and Recreation' has had some great guest stars in its five years on the air, most recently with 'Breaking Bad' star Jonathan Banks, but can anything top the heavenly hotness of Christie Brinkley? Certainly not House Speaker Newt Gingrich, but you'd better believe he's going to try  This Thursday's "Ron and Diane" will introduce Brinkley as Jerry Gergitch's long-discussed wife Gayl