Lindsay Lohan is back to what she does the best - posting selfies on Instagram. The 27-year-old starlet, who is back from her 90-day rehab stint, is slowly getting back to normal life, looking healthy.

The "Freaky Friday" star shared a gorgeous looking selfie on Instagram Wednesday where she is pounting s she poses for her phone camera. Her i-Phone has this wonderful Karl Lagerfeld cover that creates a wonderful contrast for the whole pictures. The caption of this blonde-lloking Lohan picture reads, ""#back@work! So grateful today! :)."

The actress is actually back to work and looked hale and hearty on the sets of "Chelsea Lately" and also displayed a cool sense of humor as she joked about Anthony Weiner and Justin Bieber.

The actress also sat down for an interview with Oprah Winfrey, which will be airing this Sunday on the OWN network. In addition to this highly anticipated discussion, Winfrey will also be producing an eight part docu-series following Lohan and her journey to rebuild her career and life.

Her fans are awaiting her confessional interview with Oprah Winfrey which will be aired on Sunday but in a preview the actress looks in a real mood to talk and confesses that she is her worst enemy.

"I'm my own worst enemy, and I know that," Lohan is seen talking to Oprah in the preview.

Winfrey, who is known to grill the stars to tears, is seen asking the actress, "Do you think you can turn it around?" LiLo, who wore a bright orange dress with her hair pulled back, will be seen in an exclusive interview with Oprah for "Oprah's Next Chapter" and the show will be aired on Aug. 18.

The interview is a part of a documentary film made by OWN on LiLo. The OWN cable network has started filming an eight-part docu-series from August, following LiLo's journey to rebuild her career and stay sober.

Lohan entered into a 90-day rehab stint as part of the conditions of her plea deal surrounding misdemeanor charges related to a June 2012 car accident. In early June, she requested yp be shifted to Betty Ford to Cliffside Malibu, per her request.

Read More About Lindsay Lohan's Deal WIth Oprah Here

Check out the promo here

Oprah Winfrey Lindsay Lohan Justin Bieber