Daily Bagel: Ivanovic plays stewardess on flight to Singapore

The Daily Bagel is your dose of the interesting reporting, writing and quipping from around the Internet.

• James Blake will be working with Jack Sock in 2015.

• Novak Djokovic has signed a deal with Jacob's Creek:

[tweet=https://twitter.com/JacobsCreek/status/539177048057872384]

• Ana Ivanovic played the role of flight attendant on an IPTL charter flight:

• Tennis Australia is set to make changes to the Australian Open extreme-heat policy and Nick Kyrgios' mom defends her son's Newcombe Medal.

• Agnieszka Radwanska wins the 2014 WTA Hot Shot of the Year. They should really rename the award after her.

• Roger Federer is on vacation and still reveling in his Davis Cup glory:

[tweet=https://twitter.com/rogerfederer/status/539066997640683521]

• Serena Williams made her IPTL debut on Sunday and was impressed by the the reception in Manila.

• Steve Tignor has begun his countdown of the top ten matches of the year.

• Andy Murray's former mentor backs his decision to stick with Amelie Mauresmo.

Here's a chilled out Victoria Azarenka: