Demi Lovato engaged too? There for Iggy Azalea engagement

Did Demi Lovato get engaged as well as Iggy Azalea, Ellie Goulding and Colbie Caillat?

Lovato wrote this:

Could not be happier for this woman.. 😆😆😆 (And yes this was literally my face for about an hour) Still can't believe I got to witness that last night.. So happy for you both... Love you so much lady 

Check the ring on Lovato's own finger. Her and Wilmer Valderrama engaged?

Engaged: Colbie Caillat, Ellie Goulding Not to each other

Former Aly & AJ, Disney, Hellcats star Aly Michalka engaged (or married?)

Remember the days when (has-been) stars used Twitter to make announcements? Seems it has moved to Instagram.

January 18, Aly (Alyson) Michalka, former (has-been) Aly & AJ, Phil of the Future, Hellcats star (now a bit role on 2-1/2 Men), announced her engagement "It's already been a great 2014 but it's an even better one now #happy #wedidit"

Her sister, AJ, wearing a brunette wig that she looks stunning in, posted a photo with "Still going to marry your sister" tagged on a wall.

Is it true? American Idol's youngest winner Jordin Sparks Engaged to Jason Derulo?