Scheming again . . .

Jessica Wakefield has a fantastic idea! She's bored with all the guys at Sweet Valley High, so a computer dating service seems like the perfect way to spice up her love life - especially when she invents two sparkling personalities to help her out!
Jessica becomes sophisticated Daniella Fromage and also Magenta Galaxy, a wild rocker with a passion for anything hot. The two guys she gets set up with seem to be exactly what she wanted. With the reluctant help of her twins sister, Elizabeth, jessica must somehow manage to juggle them both. Who will finally meet her perfect match - Daniella, Magenta . . . or Jessica?

Elizabeth looked at Jessica's expression in the mirror. Her sister had a look on her face that could only be described as scheming.
"What?" Elizabeth asked, growing suspicious. "What is it?"
"I figured out what to do about tonight," Jessica told her.
"That's good," Elizabeth replied. "What are you going to do?" she askewd after a pause.
"You mean, what are we going to do," Jessica corrected her.
Elizabeth whirled around to face her twin. "What are you talking about?" Her heart began pounding rapidly.
Jessica walked over and stood next to Elizabeth. Their identical images looked back at them from the mirror. "We've done it before," Jessica said softly.
"Oh no, you don't! I'm not getting involved in one of your twisted plots."
Jessica lifted her chin stubbornly. "Didn't you say you owed me one?"
Elizabeth looked down at her new dress and then closed her eyes. She was doomed.

What will Elizabeth do to show her friends she's not so predictable? The New Elizabeth