She is a throwing the party vs She is a throwing a party

Some examples from the web:

• That depends on who's throwing the party.
• Divya's just throwing the party here.
• We're the ones throwing the party tonight.
• You throwing the party? - Yes.
• Kid throwing the party said the boyfriend went into a guest room, but he didn't see him again - till the next morning.
• Sorry, independence is kind of a sensitive subject for the person that we're throwing the party for.
• Yes, I am a good friend for throwing the party.
• She was the one who was throwing the party.
• You were trying to keep me from throwing the party, so... I brought the party here.
• You were trying to keep me from throwing the party, so... I brought the party here.
• You're throwing the party of the century.
• The idea of spending a whole night with my ex who I cheated on with my current boyfriend who once dated both of the girls who are throwing the party...
• Holly is throwing the engagement party.
• And we will start by throwing the biggest party this school has ever seen.
• They're throwing the kids a party.
• I think my subletter has been throwing parties or playing loud music or something.
• My mother wasn't big on throwing parties.
• My neighbor Lucille Austero is constantly throwing parties for herself.
• Throwing parties and hiring people to do all the work.
• I'm throwing the Halloween party, and I just want to amp it up a little.

Some examples from the web:

• Listen, I'm throwing a party tomorrow.
• Ronnie Barzell's throwing a party tonight.
• Peter Fleming's throwing a party for his investors Wednesday night.
• His friends are throwing a party for him.
• We're throwing a party tomorrow at the club.
• Steve's neighbour's throwing a party.
• We're throwing a party in two hours.
• We're throwing a party tonight.
• One's even throwing a party.
• One's even throwing a party.
• I am throwing a party at my house tonight.
• Throwing a party, I see.
• I was thinking about throwing a party today.
• Porchetto and his brother were throwing a party.
• Melody Bostic is throwing a party tomorrow night.
• Me boss is throwing a party tonight.
• My friends are throwing a party this weekend.
• Reese is throwing a party for us around the corner.
• My mom is throwing a party tomorrow...
• Seth's parents were throwing a party.