It was like the time flew by and suddenly it was December 14th.

Emily was staring at herself in the mirror while the hairdresser styled her hair for the big day. She smiled at the reflection of her daughter coming behind her.

"Hi baby. You look beautiful" Emily told the girl. Bella had a light purple dress on, had curls in her hair and was more than excited to be the flower girl.

"Thank you" Bella smiled and took a seat at a chair close to Emily. "I can't believe it's finally the day" she said and Emily smiled.

Soon the hairdresser finished and left the two Prentiss alone.

"Mom" Bella said looking serious. "Are you nervous?" She asked.

"A little. You?" Emily said.

Bella nodded. "There'll be a lot of people there" she said.

"You'll do just fine" Emily smiled and started doing the finishing touches on her make up and Bella started playing with the end of her dress. She was so happy but also nervous for the big day.

Soon Penelope walked in and her smile couldn't have been bigger.

"You look out of this world amazing." She told Emily who smiled embarrassed. "And you my munchkin" she said walking to Bella. "So damn adorable and gorgeous!"

Bella laughed.

"Well, I just came to see if you're ready cause it's time" Garcia said excited.

Emily got up and handed out her hand. Bella took it and both smiled at each other. Both more than ready for this new chapter of their lives.

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The band started playing and Derek turned to look at the entrance. Bella walked through the door with a huge smile on her face and let the petals fall on her way to her dad. Once there he hugged her and she stood on the other side anxiously waiting for Emily to walk in.

"Let's do it" Emily whispered to herself and took the first step down the isle.

Derek's eyes immediately filled with tears when he saw how beautiful she looked in her white dress. Emily walked to him and he gave her a kiss when she got there. She stood next to him and Rossi started the ceremony.

"We are gathered here tonight to celebrate the love of Derek Morgan and Emily Prentiss..." Rossi started and there wasn't one dry eye in that room.

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"Derek, do you take , Emily, for your lawful wife, to have and to hold from this day forward, for better, for worse, for richer, for poorer, in sickness and health, until death do you part?"

"I do" Derek said and for the first time in the night Emily let a tear fall. Oh How she wanted to hear that.

"Emily, do you take , Derek , for your lawful husband, to have and to hold from this day forward, for better, for worse, for richer, for poorer, in sickness and health, until death do you part?"

"I do" she smiled and Derek smiled back.

"I understand there's one more vow to be made" Rossi said and looked at Derek. The man pulled a paper out of his pocket.

"Bella could you please come here?" Derek asked the girl. Bella walked and took his hand taking the spot between Emily and him.

"Are you okay?" Emily whispered to the girl who had so many tears streaming down her face. Bella nodded and let out a laugh. Everyone in the room laughed with that.

"Alright" Derek said and took a deep breath.

"Bella, I promise to always be here for you, and also to be fair and to be honest. I promise to always hold your hand and brush your hair when you ask me to. I promise to tuck you into bed if want me to. I vow to show you how a man should treat a woman through my relationship with your mom. I know that I didn't replace anyone but I have a place in your heart that is for me alone."

Bella bursted into tears and Derek wrapped her in his arms and kept on reading.

"I will be a father and a friend, and I will cherish my life with all of you. On this day when I marry your mom, I marry you.

And above all else, I vow to protect you, care for you, and love you forever"

He kissed her cheek and hugged her tight.

"Oh man" Rossi joked as he wiped a tear on his cheek and everyone laughed including Bella.

"So now... I pronounce you husband and wife. You may kiss the bride" Rossi said and everyone cheered. Derek and Emily kissed while hugging Bella between them. Once done both kissed the child's cheeks, one in each side.

"Give it up for Mr. and Mrs. Morgan" Rossi said and the crowed cheered.

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The party went on till 4 in the morning. Emily and Derek were over the moon and Isabella was all smiles all night. They had their first dance and then Morgan danced with Bella, soon Emily joined and the three danced together. The party was a success and soon Emily and Derek made their exit to the car to go on their honey moon.

"Take good care of my baby" Derek told Garcia.

"You betcha" Penelope smiled and they hugged. Bella went over to him and he let go of Garcia and picked the girl up.

"I love you" Derek whispered in her ear.

"I love you too Dad" Bella smiled. He let her down and the kid turned to her mom. "Have fun" she said. Emily wrapped the girl in her arms and said "be good, okay?"

"I will" Bella smiled. "I love you"

"I love you too, Bells"

"Are you ready?" Derek asked Emily and she nodded. She hugged Bella one more time and they waved goodbye to their guests and got in the car.

Bella walked closer to the window and drew a heart on the foggy glass and smiled.

The driver started the car and everyone waved goodbye to the happy couple inside of it.

"Everything okay Mrs. Morgan?" Derek asked Emily with a smile.

"Everything is perfect" she told him and they kissed.