A small addition to Heading East...

*Spoiler Alert! Do not proceed if you have not read Heading East.*

I've seen a few reviews mentioning that the Sabrina issue was left unresolved. Honestly, this came as a bit of a surprise to me because I thought that Sabrina was not that important. She was the embodiment of Kat's insecurity with West, and so when Kat finally found her confidence at her fashion show, Sabrina and all the drama she brought with her faded away. To confront her was to give her more power over Kat's emotions, and I really wanted Kat to progress past that jealous, insecure person she used to be.
However, I failed in making that clear enough. That was my bad. So I added a little more to her conversation with West after her fashion show to clarify the point. I hope the few extra sentences help explain why Sabrina was not heard from again, why Kat never even gave her another thought.
Here's the scene in question:

I fell into him easily, pressing my face into his chest and breathing him in. I wrapped my arms around him and felt the strong thud of his heart against my cheek.
“I missed you,” he said, sliding his hand up my neck and bringing our lips together for a kiss that was hot and needy. “God, I missed you.”
 “Me too.” I looked up at him to let him see the effects of last night on my face.
“I’m sorry. I didn’t know how soon I could get back,” he said, running his thumb along the hollows under my eyes.
“So you went to Alaska and brought my dad here?” I asked, glancing back towards the screen that separated us from the audience.
“I had to make sure he was here for this day.” He bent down and took my lower lip between his own, sucking it into his mouth gently.
I pulled away. “When you didn’t come home last night, I thought you…”
He cradled my face in his hands and pressed his forehead to mine. “I thought you said you trusted me?”
“I do. At least, I tried.”
“About Sabrina—”
I shook my head. “You know what? It doesn’t matter.”
“I dropped my phone during sound check and she found it. She didn’t give it back until later—”
I raised a finger up to his lips. “I don’t care about Sabrina.” So she’d tried to play on my insecurities to ruin what I had with West but in the end she was the one who lost.
“You mean you’re not going to confront her and kick her ass?” he asked with a raised eyebrow.
 I let out a laugh. “The old me would have relished punching her in the throat. But something happened between last night and today. I realized she didn’t matter in the grand scheme of things,” I said. “I wasted so much energy worrying about her, worrying if she’d seduce you, when I should have been concentrating on us.”
“You’re not even the least bit—”
I grabbed the back of his head and rose to my toes, kissing the words right out of his mouth. He slowed and I felt his lips form a smile against mine. “Did you just shut me up with a kiss?”
I laughed. “Maybe,” I said and kissed him again before he could form a reply. 

What do you think?