Britney Spears Piece Of Me Tour 2014: Britney Spears gets ready to kick off her second leg of shows as she works out and get ready for the Piece of Me Tour in Las Vegas, where she is expected to perform classic hits and especially her new songs from her new record.

Meanwhile, Britney's current relationship seems like it has not been working for her as her boyfriend David Lucado, who the pop star has been seeing after breaking up with former manager Jason Trawick, as she believed their relationship lacks the maturity she is looking for.

"Britney has been have doubts since before Christmas. She really fell for David at the start of the romance, but now she feels she jumped into things too quickly after splitting from Jason. She was so desperate to have someone by her side," a source said from indianexpress.com.

"Britney's worried he's not mature enough for her - she's used to being spoiled by her boyfriends but, with David, she's been joking to friends that he's like a third son," the source added.

Britney's latest album 'Britney Jean' was released Nov. 29 gained a positive response from everyone and has already started a tour last December. This new album was said to be her "most personal album ever." The Princess of Pop released a 10 track record including a track with her sister Jamie Lynn Spears entitled "Chillin' With You". Included in the new album are songs "Work Bitch" and "Perfume" which peaked in the US Billboard Hot 100 at number 12 and 76 respectively.

Critics rated the "Work Bitch" song highly praising Britney saying it is a "massive return to form" and an "exciting way to kick off a brand new era".

Few months after the release of the song, the music video came out showing a daring Britney Spears but was thought by the artist they she had to "cut out half the video because I am a mother and because, you know, I have children, and it's just hard to play sexy mom while you're being a pop star as well".

Her second single that came out on November 3 was a ballad where Britney said in an interview with E! Online that the song his special to her saying anyone can relate to her song.

"'Perfume' is incredibly special to me because it hits close to home, and I think the story is relatable to everyone," Spears told E!. "Everyone's been through an insecure moment in a relationship that's left them vulnerable and I think this song captures that."

For her new album 'Britney Jean', the 32-year-old pop artist said that the personal touch for her new album would prove how mature she got comparing it to the previous work she did.

"I want to show you the different sides of Britney Spears," she said. "I am a performer. I am a Mom. I am funny. I am your friend! I am Britney Jean."

The second leg of the Britney Spears Piece of Me Tour 2014 will start on Jan. 29 until Feb 22. Spears will be doing a total of 36 shows that will end in Sept. 6, concluding her fourth leg of the tour. All shows will be done in Planet Hollywood in Las Vegas.