HAPPY BIRTHDAY GUEST REVIEWER OMNIPOTENT 18! For all of the great reviews that you have given me for so many of my stories, this chapter update is dedicated to you! I hope you enjoy it! This isn't the part that explains why Ben is getting married to princess Celestia and Luna, but it does have the party theme to it! I also want you to know that I've decided to add Zecora to Ben's harem.

Disclaimer: I still don't own Ben 10, or My Little Pony Friendship Is Magic!

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Omake: Birthday for Ben!

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It was another glorious day in Ponyville, and everything was going great for Ben! Here, he had lots of great friends, a career that paid well, and a beautiful daughter of his own. Right now, Ben was out running errands with his baby girl, Evening Tides. Eve, for short. He was in the market picking up groceries for dinner tonight, but he was also restocking on baby supplies for Eve.

"Okay, let's check my list. Diapers, check! Baby formula, check! New clothes for Eve, check! Pasta, onions, tomatoes, rice, bread, cabbage, and apples? Check, check, check, check, check, check, and check! What do you think, Eve? Is there anything else we should get before we go home?" Ben asked, checking things off of his list.

Eve responded with a slur of baby babble, and giggled at her daddy. Ben smiled and kissed her on the forehead.

"You're right, Eve. We'll stop by sugarcube corner, and pick up some sweets for home." Ben said, pretending he understood.

With his things packed, Ben started walking to the local sweet shop with his daughter strapped into her baby carrier. But Ben's mind wasn't simply on getting to Sugarcube corner. No, he was thinking about the date. You see, today is Ben's birthday and he would normally be celebrating it with his family. But not this year...

Well, no matter how bad things get there's probably somepony worse off.

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***Meanwhile, in Bellwood North Dakota***

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The Alien Force, for instance. Right now, they were DEFINITELY worse off than Ben was at the moment.

You'd think that things would be easier for the alien force and the Plumbers now that Gwen has both her Anodite powers and the Ultimatrix, right? Well, you're wrong! As it turns out for some reason, Gwen can't turn into any of the Ultimate forms without giving in to their primal instincts. It puzzled all of the Plumbers, so Azmuth decided to take a look at the Ultimatrix to find out what the problem was.

"So what's the prognosis, Azmuth?" Gwen asked.

Azmuth closed the hatch that led to the inner workings of the Ultimatrix, and shook his head with a deep sigh.

"As far as I can tell, there doesn't appear to be a problem with the Ultimatrix. Perhaps the problem is YOU, Gwendolyn. Ben was more capable of reigning in the primal rage of the Ultimate forms, but you are not since you haven't yet adapted to using them!" Azmuth explained.

The Plumbers couldn't believe what they were hearing. Gwen is incapable of using the Ultimate forms yet?! It's impossible, yet such an obvious answer! Gwen put the Ultimatrix back on, and thanked Azmuth for his time. That was when she remembered today's date.

'I completely forgot that today is Ben's birthday!' Gwen thought to herself.

She looked up at the sky feeling ashamed of herself for having become so arrogant after getting the Ultimatrix. If she hadn't, then Ben would still be here!

'Ben, wherever you are right now, I hope that you're having a very happy birthday with friends and loved ones...' Gwen thought to herself.

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***Meanwhile, Back in Equestria***

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As Ben was walking to Sugarcube Corner with his daughter, he noticed something off about Ponyville today. The streets had stopped bustling with activity, and the town itself looked deserted! If Ben didn't know any better, he would think that he was living in a ghost town.

"Where IS everypony? They were all outside just a minute ago." Ben said to himself.

Ben has taken to using Equestrian vocabulary, and he still had a hard time remembering all of the different words and phrases. It wasn't ten minutes later that Ben and Eve made it to the local sweet shop.

Sugarcube Corner was an oddly designed building. It was built to look like a freshly baked gingerbread house, and just looking at it was enough to make someone crave sweets. Ben walked into the shop, and saw that for some reason it was pitch black inside the shop.

"What the?" Ben asked.

The lights suddenly flashed on to reveal the entire populace of Ponyville was gathered in the building. The entire interior of the restaurant was decorated for a birthday party, with balloons, streamers, a stack of presents, and a big banner that read 'Happy Birthday Ben'!

"Surprise!~" everyone yelled.

Ben gasped in shock and happiness while Eve started to clap her tiny hands while giggling cutely. Ben had honestly thought that he wouldn't be able to celebrate his birthday here, and yet all of his friends were here to celebrate with him!

Mrs. Cake walked up and took Eve so the little one could play with the cake twins, Pound and Pumpkin, while Ben spoke with his friends. Ben was immediately swarmed by the girls who were all wearing party hats with Infinitrix marks painted on them.

"You girls threw this party for me?" Ben asked.

"Well, DUH! Of course we did, silly!" Pinkie Pie responded like it was the most obvious thing in the world.

"We knew that you couldn't celebrate your special day with your family today, so we decided to throw a special party just for you, darling." Rarity added.

Ben's eyes started to tear up from the sheer amount of happiness he was feeling right now. His friends had gone out of their way to make him happy on his birthday, even though they didn't have to. That was way more than Gwen ever did for any of Ben's birthdays! Ben pulled them into a group hug which they immediately returned.

As they all went to join in on the party, Ben started to narrate a letter to the princesses in his head. He had some things to tell them.

'Dear princess Celestia and princess Luna,

I've always never expected much from anyone on days like my birthday. In fact, I've always just celebrated alone instead of with others! Sounds good, right? WRO-ONG!~

Today I've learned that there are many wonderful things that can happen to you so long as you accept true friendship into your life. Because sometimes, a true friend will do everything in their power to share in your happiness!

Protector of Ponyville, Benjamin Kirby Tennyson.

P.S. If either of you ever meets a guy called Professor Paradox, tell him I said hi. Thanks!'

As Ben blew out the candles on the cake that was provided for his birthday, he knew that one thing was certain. Today had been the greatest birthday in his life!

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Omnipotent 18, if you've read this chapter, I want you to know that this was just a little birthday present for you, and a way to say thank you for all the help you have been with all of my stories! Thank you so much, and I hope you enjoy this chapter! Once again, HAPPY BIRTHDAY, OMNIPOTENT 18! Let there be cake! HALLELUJAH! Gesundheit.