The Stars Collide

Ashlee Simpson has been scandal-free since November, and she tells Teen People for its June/ July "25 Hottest Under 25" cover story that the shift can be attributed to now-serious boyfriend Braxton Olita, the guitarist in her



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L.O.V.E.

Ashlee Simpson
"L.O.V.E."
I Am Me
(Geffen Records)
Check On It

Beyoncé
"Check On It"
#1's
(Sony Urban Music/Columbia)
Dani California

The Red Hot Chili Peppers
"Dani California"
Stadium Arcadium
(Warner Bros.)
The Adventure

Angels & Airwaves
"The Adventure"
We Don't Need to Whisper
(Suretone/Geffen Records)
Youth

Matisyahu
"Youth"
Youth
(Epic/Or/Jdub)
band. "He's the yin to my yang," Simpson told the magazine. "People call him my little Buddha. When he comes around, everything changes. ... I'm more peaceful and chilled out. I honestly couldn't be more content." Though she's "absolutely in love and in a committed relationship," Simpson says she's in no rush to speed up the pace, especially after what she's seen happen with her sister's much-publicized marriage and divorce. Instead, "We live day to day," she said. "Marriage is definitely not on my mind. There's a lot of growing up you do in your 20s, and I definitely want to wait until my late 20s or 30s or whenever the time is right." Ashlee's big sister Jessica Simpson also made the cut for Teen People's "25 Hottest Under 25" list, along with Amanda Bynes, Beyoncé, Carrie Underwood, Chris Brown, Ciara, Hilary Duff, Lindsay Lohan, Justin Timberlake, Kelly Clarkson, JoJo, Kristin Cavallari and Natasha Bedingfield. .