a cutey like that deserves designer PJ's,
Blue and Millie have theirs custom made by StinkySuitcase, who sells them for £15 + £2.30 postage on ebay, she's got them there now, ebay no. 230314127898 and here's a linky.
Greyhound Pajamas
pick your own fabric patterns and send her the measurements, she made the two for my furry kids in 2 days and posted them & i got them the next day.