Bernadette's Awkward Situation!

She walked over to her neighbour's house and knocked on the front door and had to wait a minute before Sinead answered it.
"Hi Bernadette,what can I do for you," said the young woman,who also had a blond hair and a figure that was only slightly less curvaceous than Bernadette's.
"Hi Sinead,I got locked out and Howard isn't back yet,I tried to go in through a window but my ass is just too big,do you think you could please come over and help me? "

Sinead agreed and the two were soon at the window.
"Bernadette,I don't think I can fit through there either,I think my butt is also too big," said the young woman.
"Come on Sinead,at least,have a try,I promise to help you and not look up your skirt," said the young blond.

Against her better judgement,Sinead decided to try anyway and soon,her entire top half was soon through the window then said, "Bernadette,I can go any further,could you please give me a hand?"
The young woman then placed her back against the young blond's backside,her hands against the window frame and pushed and pushed with all her strength until